Home / 4,155.48-5,734.80-2,387.28

Finding the Fourth Proportional to 4,155.48, 5,734.80 and 2,387.28

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Solution

The fourth proportional to 4,155.48, 5,734.80 and 2,387.28 is: 3,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.48 : 5,734.80 = 2,387.28 : x
  2. Step 2: Convert to fraction form
    4,155.48/5,734.80 = 2,387.28/x
  3. Step 3: Cross multiply
    4,155.48x = 5,734.80 × 2,387.28
  4. Step 4: Simplify right side
    4,155.48x = 13,690,573.34
  5. Step 5: Solve for x
    x = 13,690,573.34/4,155.48
  6. Step 6: Final answer
    x = 3,294.58

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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.