Home / 3,123.67-4,686.25-932.57

Finding the Fourth Proportional to 3,123.67, 4,686.25 and 932.57

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Solution

The fourth proportional to 3,123.67, 4,686.25 and 932.57 is: 1,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.67 : 4,686.25 = 932.57 : x
  2. Step 2: Convert to fraction form
    3,123.67/4,686.25 = 932.57/x
  3. Step 3: Cross multiply
    3,123.67x = 4,686.25 × 932.57
  4. Step 4: Simplify right side
    3,123.67x = 4,370,258.49
  5. Step 5: Solve for x
    x = 4,370,258.49/3,123.67
  6. Step 6: Final answer
    x = 1,399.08

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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.