Home / 2,375.08-3,560.70-989.46

Finding the Fourth Proportional to 2,375.08, 3,560.70 and 989.46

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Solution

The fourth proportional to 2,375.08, 3,560.70 and 989.46 is: 1,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.08 : 3,560.70 = 989.46 : x
  2. Step 2: Convert to fraction form
    2,375.08/3,560.70 = 989.46/x
  3. Step 3: Cross multiply
    2,375.08x = 3,560.70 × 989.46
  4. Step 4: Simplify right side
    2,375.08x = 3,523,158.35
  5. Step 5: Solve for x
    x = 3,523,158.35/2,375.08
  6. Step 6: Final answer
    x = 1,483.39

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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.