Home / 3,125.29-4,687.25-933.74

Finding the Fourth Proportional to 3,125.29, 4,687.25 and 933.74

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Solution

The fourth proportional to 3,125.29, 4,687.25 and 933.74 is: 1,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.29 : 4,687.25 = 933.74 : x
  2. Step 2: Convert to fraction form
    3,125.29/4,687.25 = 933.74/x
  3. Step 3: Cross multiply
    3,125.29x = 4,687.25 × 933.74
  4. Step 4: Simplify right side
    3,125.29x = 4,376,672.82
  5. Step 5: Solve for x
    x = 4,376,672.82/3,125.29
  6. Step 6: Final answer
    x = 1,400.41

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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.