Home / 2,525.56-3,787.28-1,487.65

Finding the Fourth Proportional to 2,525.56, 3,787.28 and 1,487.65

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Solution

The fourth proportional to 2,525.56, 3,787.28 and 1,487.65 is: 2,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.56 : 3,787.28 = 1,487.65 : x
  2. Step 2: Convert to fraction form
    2,525.56/3,787.28 = 1,487.65/x
  3. Step 3: Cross multiply
    2,525.56x = 3,787.28 × 1,487.65
  4. Step 4: Simplify right side
    2,525.56x = 5,634,120.72
  5. Step 5: Solve for x
    x = 5,634,120.72/2,525.56
  6. Step 6: Final answer
    x = 2,230.84

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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.