Home / 1,015.13-1,522.52-284.70

Finding the Fourth Proportional to 1,015.13, 1,522.52 and 284.70

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Solution

The fourth proportional to 1,015.13, 1,522.52 and 284.70 is: 427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.13 : 1,522.52 = 284.70 : x
  2. Step 2: Convert to fraction form
    1,015.13/1,522.52 = 284.70/x
  3. Step 3: Cross multiply
    1,015.13x = 1,522.52 × 284.70
  4. Step 4: Simplify right side
    1,015.13x = 433,466.80
  5. Step 5: Solve for x
    x = 433,466.80/1,015.13
  6. Step 6: Final answer
    x = 427.01

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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.