Home / 3,015.32-4,521.35-934.43

Finding the Fourth Proportional to 3,015.32, 4,521.35 and 934.43

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Solution

The fourth proportional to 3,015.32, 4,521.35 and 934.43 is: 1,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.32 : 4,521.35 = 934.43 : x
  2. Step 2: Convert to fraction form
    3,015.32/4,521.35 = 934.43/x
  3. Step 3: Cross multiply
    3,015.32x = 4,521.35 × 934.43
  4. Step 4: Simplify right side
    3,015.32x = 4,224,898.72
  5. Step 5: Solve for x
    x = 4,224,898.72/3,015.32
  6. Step 6: Final answer
    x = 1,401.14

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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.