Home / 4,155.58-5,734.65-2,387.20

Finding the Fourth Proportional to 4,155.58, 5,734.65 and 2,387.20

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Solution

The fourth proportional to 4,155.58, 5,734.65 and 2,387.20 is: 3,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.58 : 5,734.65 = 2,387.20 : x
  2. Step 2: Convert to fraction form
    4,155.58/5,734.65 = 2,387.20/x
  3. Step 3: Cross multiply
    4,155.58x = 5,734.65 × 2,387.20
  4. Step 4: Simplify right side
    4,155.58x = 13,689,756.48
  5. Step 5: Solve for x
    x = 13,689,756.48/4,155.58
  6. Step 6: Final answer
    x = 3,294.31

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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.