Home / 2,551.46-3,521.21-1,432.64

Finding the Fourth Proportional to 2,551.46, 3,521.21 and 1,432.64

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Solution

The fourth proportional to 2,551.46, 3,521.21 and 1,432.64 is: 1,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.46 : 3,521.21 = 1,432.64 : x
  2. Step 2: Convert to fraction form
    2,551.46/3,521.21 = 1,432.64/x
  3. Step 3: Cross multiply
    2,551.46x = 3,521.21 × 1,432.64
  4. Step 4: Simplify right side
    2,551.46x = 5,044,619.13
  5. Step 5: Solve for x
    x = 5,044,619.13/2,551.46
  6. Step 6: Final answer
    x = 1,977.15

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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.