Home / 4,155.65-5,734.98-2,387.81

Finding the Fourth Proportional to 4,155.65, 5,734.98 and 2,387.81

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Solution

The fourth proportional to 4,155.65, 5,734.98 and 2,387.81 is: 3,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.65 : 5,734.98 = 2,387.81 : x
  2. Step 2: Convert to fraction form
    4,155.65/5,734.98 = 2,387.81/x
  3. Step 3: Cross multiply
    4,155.65x = 5,734.98 × 2,387.81
  4. Step 4: Simplify right side
    4,155.65x = 13,694,042.59
  5. Step 5: Solve for x
    x = 13,694,042.59/4,155.65
  6. Step 6: Final answer
    x = 3,295.28

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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.