Home / 3,344.50-4,615.41-1,948.18

Finding the Fourth Proportional to 3,344.50, 4,615.41 and 1,948.18

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Solution

The fourth proportional to 3,344.50, 4,615.41 and 1,948.18 is: 2,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.50 : 4,615.41 = 1,948.18 : x
  2. Step 2: Convert to fraction form
    3,344.50/4,615.41 = 1,948.18/x
  3. Step 3: Cross multiply
    3,344.50x = 4,615.41 × 1,948.18
  4. Step 4: Simplify right side
    3,344.50x = 8,991,649.45
  5. Step 5: Solve for x
    x = 8,991,649.45/3,344.50
  6. Step 6: Final answer
    x = 2,688.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.