Home / 3,126.53-4,689.97-1,370.66

Finding the Fourth Proportional to 3,126.53, 4,689.97 and 1,370.66

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Solution

The fourth proportional to 3,126.53, 4,689.97 and 1,370.66 is: 2,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.53 : 4,689.97 = 1,370.66 : x
  2. Step 2: Convert to fraction form
    3,126.53/4,689.97 = 1,370.66/x
  3. Step 3: Cross multiply
    3,126.53x = 4,689.97 × 1,370.66
  4. Step 4: Simplify right side
    3,126.53x = 6,428,327.40
  5. Step 5: Solve for x
    x = 6,428,327.40/3,126.53
  6. Step 6: Final answer
    x = 2,056.06

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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.