Home / 2,272.53-3,136.17-1,376.56

Finding the Fourth Proportional to 2,272.53, 3,136.17 and 1,376.56

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Solution

The fourth proportional to 2,272.53, 3,136.17 and 1,376.56 is: 1,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.53 : 3,136.17 = 1,376.56 : x
  2. Step 2: Convert to fraction form
    2,272.53/3,136.17 = 1,376.56/x
  3. Step 3: Cross multiply
    2,272.53x = 3,136.17 × 1,376.56
  4. Step 4: Simplify right side
    2,272.53x = 4,317,126.18
  5. Step 5: Solve for x
    x = 4,317,126.18/2,272.53
  6. Step 6: Final answer
    x = 1,899.70

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1.5x scale

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.