Home / 1,787.01-2,677.56-1,264.43

Finding the Fourth Proportional to 1,787.01, 2,677.56 and 1,264.43

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Solution

The fourth proportional to 1,787.01, 2,677.56 and 1,264.43 is: 1,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.01 : 2,677.56 = 1,264.43 : x
  2. Step 2: Convert to fraction form
    1,787.01/2,677.56 = 1,264.43/x
  3. Step 3: Cross multiply
    1,787.01x = 2,677.56 × 1,264.43
  4. Step 4: Simplify right side
    1,787.01x = 3,385,574.08
  5. Step 5: Solve for x
    x = 3,385,574.08/1,787.01
  6. Step 6: Final answer
    x = 1,894.54

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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.