Home / 1,014.39-1,521.57-283.95

Finding the Fourth Proportional to 1,014.39, 1,521.57 and 283.95

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Solution

The fourth proportional to 1,014.39, 1,521.57 and 283.95 is: 425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.39 : 1,521.57 = 283.95 : x
  2. Step 2: Convert to fraction form
    1,014.39/1,521.57 = 283.95/x
  3. Step 3: Cross multiply
    1,014.39x = 1,521.57 × 283.95
  4. Step 4: Simplify right side
    1,014.39x = 432,049.80
  5. Step 5: Solve for x
    x = 432,049.80/1,014.39
  6. Step 6: Final answer
    x = 425.92

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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.