Home / 3,158.38-4,735.02-1,925.56

Finding the Fourth Proportional to 3,158.38, 4,735.02 and 1,925.56

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Solution

The fourth proportional to 3,158.38, 4,735.02 and 1,925.56 is: 2,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.38 : 4,735.02 = 1,925.56 : x
  2. Step 2: Convert to fraction form
    3,158.38/4,735.02 = 1,925.56/x
  3. Step 3: Cross multiply
    3,158.38x = 4,735.02 × 1,925.56
  4. Step 4: Simplify right side
    3,158.38x = 9,117,565.11
  5. Step 5: Solve for x
    x = 9,117,565.11/3,158.38
  6. Step 6: Final answer
    x = 2,886.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.