Home / 1,553.10-2,325.60-1,480.20

Finding the Fourth Proportional to 1,553.10, 2,325.60 and 1,480.20

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Solution

The fourth proportional to 1,553.10, 2,325.60 and 1,480.20 is: 2,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.10 : 2,325.60 = 1,480.20 : x
  2. Step 2: Convert to fraction form
    1,553.10/2,325.60 = 1,480.20/x
  3. Step 3: Cross multiply
    1,553.10x = 2,325.60 × 1,480.20
  4. Step 4: Simplify right side
    1,553.10x = 3,442,353.12
  5. Step 5: Solve for x
    x = 3,442,353.12/1,553.10
  6. Step 6: Final answer
    x = 2,216.44

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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.