Home / 4,155.57-5,731.74-2,475.68

Finding the Fourth Proportional to 4,155.57, 5,731.74 and 2,475.68

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Solution

The fourth proportional to 4,155.57, 5,731.74 and 2,475.68 is: 3,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.57 : 5,731.74 = 2,475.68 : x
  2. Step 2: Convert to fraction form
    4,155.57/5,731.74 = 2,475.68/x
  3. Step 3: Cross multiply
    4,155.57x = 5,731.74 × 2,475.68
  4. Step 4: Simplify right side
    4,155.57x = 14,189,925.42
  5. Step 5: Solve for x
    x = 14,189,925.42/4,155.57
  6. Step 6: Final answer
    x = 3,414.68

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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.