Home / 3,347.50-4,619.55-1,875.50

Finding the Fourth Proportional to 3,347.50, 4,619.55 and 1,875.50

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Solution

The fourth proportional to 3,347.50, 4,619.55 and 1,875.50 is: 2,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.50 : 4,619.55 = 1,875.50 : x
  2. Step 2: Convert to fraction form
    3,347.50/4,619.55 = 1,875.50/x
  3. Step 3: Cross multiply
    3,347.50x = 4,619.55 × 1,875.50
  4. Step 4: Simplify right side
    3,347.50x = 8,663,966.03
  5. Step 5: Solve for x
    x = 8,663,966.03/3,347.50
  6. Step 6: Final answer
    x = 2,588.19

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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.