Home / 3,127.57-4,307.29-3,059.53

Finding the Fourth Proportional to 3,127.57, 4,307.29 and 3,059.53

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Solution

The fourth proportional to 3,127.57, 4,307.29 and 3,059.53 is: 4,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.57 : 4,307.29 = 3,059.53 : x
  2. Step 2: Convert to fraction form
    3,127.57/4,307.29 = 3,059.53/x
  3. Step 3: Cross multiply
    3,127.57x = 4,307.29 × 3,059.53
  4. Step 4: Simplify right side
    3,127.57x = 13,178,282.97
  5. Step 5: Solve for x
    x = 13,178,282.97/3,127.57
  6. Step 6: Final answer
    x = 4,213.59

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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.