Home / 3,378.09-4,636.96-2,996.74

Finding the Fourth Proportional to 3,378.09, 4,636.96 and 2,996.74

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Solution

The fourth proportional to 3,378.09, 4,636.96 and 2,996.74 is: 4,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.09 : 4,636.96 = 2,996.74 : x
  2. Step 2: Convert to fraction form
    3,378.09/4,636.96 = 2,996.74/x
  3. Step 3: Cross multiply
    3,378.09x = 4,636.96 × 2,996.74
  4. Step 4: Simplify right side
    3,378.09x = 13,895,763.51
  5. Step 5: Solve for x
    x = 13,895,763.51/3,378.09
  6. Step 6: Final answer
    x = 4,113.50

Related Problems

Find fourth proportional to 1,689.05, 2,318.48 and 1,498.37
Half scale
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Double scale
Find fourth proportional to 3,379.09, 4,638.33 and 2,997.74
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.