Home / 3,591.10-5,389.08-1,251.13

Finding the Fourth Proportional to 3,591.10, 5,389.08 and 1,251.13

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Solution

The fourth proportional to 3,591.10, 5,389.08 and 1,251.13 is: 1,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.10 : 5,389.08 = 1,251.13 : x
  2. Step 2: Convert to fraction form
    3,591.10/5,389.08 = 1,251.13/x
  3. Step 3: Cross multiply
    3,591.10x = 5,389.08 × 1,251.13
  4. Step 4: Simplify right side
    3,591.10x = 6,742,426.19
  5. Step 5: Solve for x
    x = 6,742,426.19/3,591.10
  6. Step 6: Final answer
    x = 1,877.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.