Home / 3,125.80-4,688.60-934.52

Finding the Fourth Proportional to 3,125.80, 4,688.60 and 934.52

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Solution

The fourth proportional to 3,125.80, 4,688.60 and 934.52 is: 1,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.80 : 4,688.60 = 934.52 : x
  2. Step 2: Convert to fraction form
    3,125.80/4,688.60 = 934.52/x
  3. Step 3: Cross multiply
    3,125.80x = 4,688.60 × 934.52
  4. Step 4: Simplify right side
    3,125.80x = 4,381,590.47
  5. Step 5: Solve for x
    x = 4,381,590.47/3,125.80
  6. Step 6: Final answer
    x = 1,401.75

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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.