Home / 1,787.61-2,466.76-1,001.55

Finding the Fourth Proportional to 1,787.61, 2,466.76 and 1,001.55

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Solution

The fourth proportional to 1,787.61, 2,466.76 and 1,001.55 is: 1,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.61 : 2,466.76 = 1,001.55 : x
  2. Step 2: Convert to fraction form
    1,787.61/2,466.76 = 1,001.55/x
  3. Step 3: Cross multiply
    1,787.61x = 2,466.76 × 1,001.55
  4. Step 4: Simplify right side
    1,787.61x = 2,470,583.48
  5. Step 5: Solve for x
    x = 2,470,583.48/1,787.61
  6. Step 6: Final answer
    x = 1,382.06

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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.