Home / 1,787.53-2,463.76-1,256.59

Finding the Fourth Proportional to 1,787.53, 2,463.76 and 1,256.59

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Solution

The fourth proportional to 1,787.53, 2,463.76 and 1,256.59 is: 1,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.53 : 2,463.76 = 1,256.59 : x
  2. Step 2: Convert to fraction form
    1,787.53/2,463.76 = 1,256.59/x
  3. Step 3: Cross multiply
    1,787.53x = 2,463.76 × 1,256.59
  4. Step 4: Simplify right side
    1,787.53x = 3,095,936.18
  5. Step 5: Solve for x
    x = 3,095,936.18/1,787.53
  6. Step 6: Final answer
    x = 1,731.96

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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.