Home / 3,715.56-5,570.16-1,375.13

Finding the Fourth Proportional to 3,715.56, 5,570.16 and 1,375.13

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Solution

The fourth proportional to 3,715.56, 5,570.16 and 1,375.13 is: 2,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.56 : 5,570.16 = 1,375.13 : x
  2. Step 2: Convert to fraction form
    3,715.56/5,570.16 = 1,375.13/x
  3. Step 3: Cross multiply
    3,715.56x = 5,570.16 × 1,375.13
  4. Step 4: Simplify right side
    3,715.56x = 7,659,694.12
  5. Step 5: Solve for x
    x = 7,659,694.12/3,715.56
  6. Step 6: Final answer
    x = 2,061.52

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1.5x scale

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.