Home / 4,155.45-5,731.57-2,475.55

Finding the Fourth Proportional to 4,155.45, 5,731.57 and 2,475.55

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Solution

The fourth proportional to 4,155.45, 5,731.57 and 2,475.55 is: 3,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.45 : 5,731.57 = 2,475.55 : x
  2. Step 2: Convert to fraction form
    4,155.45/5,731.57 = 2,475.55/x
  3. Step 3: Cross multiply
    4,155.45x = 5,731.57 × 2,475.55
  4. Step 4: Simplify right side
    4,155.45x = 14,188,788.11
  5. Step 5: Solve for x
    x = 14,188,788.11/4,155.45
  6. Step 6: Final answer
    x = 3,414.50

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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.