Home / 1,787.46-2,466.72-1,001.58

Finding the Fourth Proportional to 1,787.46, 2,466.72 and 1,001.58

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Solution

The fourth proportional to 1,787.46, 2,466.72 and 1,001.58 is: 1,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.46 : 2,466.72 = 1,001.58 : x
  2. Step 2: Convert to fraction form
    1,787.46/2,466.72 = 1,001.58/x
  3. Step 3: Cross multiply
    1,787.46x = 2,466.72 × 1,001.58
  4. Step 4: Simplify right side
    1,787.46x = 2,470,617.42
  5. Step 5: Solve for x
    x = 2,470,617.42/1,787.46
  6. Step 6: Final answer
    x = 1,382.19

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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.