Home / 1,787.12-2,466.06-1,000.88

Finding the Fourth Proportional to 1,787.12, 2,466.06 and 1,000.88

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Solution

The fourth proportional to 1,787.12, 2,466.06 and 1,000.88 is: 1,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.12 : 2,466.06 = 1,000.88 : x
  2. Step 2: Convert to fraction form
    1,787.12/2,466.06 = 1,000.88/x
  3. Step 3: Cross multiply
    1,787.12x = 2,466.06 × 1,000.88
  4. Step 4: Simplify right side
    1,787.12x = 2,468,230.13
  5. Step 5: Solve for x
    x = 2,468,230.13/1,787.12
  6. Step 6: Final answer
    x = 1,381.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.