Home / 4,155.71-5,735.00-2,387.21

Finding the Fourth Proportional to 4,155.71, 5,735.00 and 2,387.21

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Solution

The fourth proportional to 4,155.71, 5,735.00 and 2,387.21 is: 3,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.71 : 5,735.00 = 2,387.21 : x
  2. Step 2: Convert to fraction form
    4,155.71/5,735.00 = 2,387.21/x
  3. Step 3: Cross multiply
    4,155.71x = 5,735.00 × 2,387.21
  4. Step 4: Simplify right side
    4,155.71x = 13,690,626.64
  5. Step 5: Solve for x
    x = 13,690,626.64/4,155.71
  6. Step 6: Final answer
    x = 3,294.42

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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.