Home / 3,015.60-4,521.78-934.71

Finding the Fourth Proportional to 3,015.60, 4,521.78 and 934.71

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Solution

The fourth proportional to 3,015.60, 4,521.78 and 934.71 is: 1,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.60 : 4,521.78 = 934.71 : x
  2. Step 2: Convert to fraction form
    3,015.60/4,521.78 = 934.71/x
  3. Step 3: Cross multiply
    3,015.60x = 4,521.78 × 934.71
  4. Step 4: Simplify right side
    3,015.60x = 4,226,552.98
  5. Step 5: Solve for x
    x = 4,226,552.98/3,015.60
  6. Step 6: Final answer
    x = 1,401.56

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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.