Home / 1,787.14-2,681.25-1,204.48

Finding the Fourth Proportional to 1,787.14, 2,681.25 and 1,204.48

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Solution

The fourth proportional to 1,787.14, 2,681.25 and 1,204.48 is: 1,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.14 : 2,681.25 = 1,204.48 : x
  2. Step 2: Convert to fraction form
    1,787.14/2,681.25 = 1,204.48/x
  3. Step 3: Cross multiply
    1,787.14x = 2,681.25 × 1,204.48
  4. Step 4: Simplify right side
    1,787.14x = 3,229,512
  5. Step 5: Solve for x
    x = 3,229,512/1,787.14
  6. Step 6: Final answer
    x = 1,807.08

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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.