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Finding the Fourth Proportional to 2,375.24, 3,560.04 and 988.28

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Solution

The fourth proportional to 2,375.24, 3,560.04 and 988.28 is: 1,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.24 : 3,560.04 = 988.28 : x
  2. Step 2: Convert to fraction form
    2,375.24/3,560.04 = 988.28/x
  3. Step 3: Cross multiply
    2,375.24x = 3,560.04 × 988.28
  4. Step 4: Simplify right side
    2,375.24x = 3,518,316.33
  5. Step 5: Solve for x
    x = 3,518,316.33/2,375.24
  6. Step 6: Final answer
    x = 1,481.25

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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.