Home / 1,334.32-2,002.68-1,116.31

Finding the Fourth Proportional to 1,334.32, 2,002.68 and 1,116.31

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Solution

The fourth proportional to 1,334.32, 2,002.68 and 1,116.31 is: 1,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.32 : 2,002.68 = 1,116.31 : x
  2. Step 2: Convert to fraction form
    1,334.32/2,002.68 = 1,116.31/x
  3. Step 3: Cross multiply
    1,334.32x = 2,002.68 × 1,116.31
  4. Step 4: Simplify right side
    1,334.32x = 2,235,611.71
  5. Step 5: Solve for x
    x = 2,235,611.71/1,334.32
  6. Step 6: Final answer
    x = 1,675.47

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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.