Home / 1,552.20-2,330.10-1,541.40

Finding the Fourth Proportional to 1,552.20, 2,330.10 and 1,541.40

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Solution

The fourth proportional to 1,552.20, 2,330.10 and 1,541.40 is: 2,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.20 : 2,330.10 = 1,541.40 : x
  2. Step 2: Convert to fraction form
    1,552.20/2,330.10 = 1,541.40/x
  3. Step 3: Cross multiply
    1,552.20x = 2,330.10 × 1,541.40
  4. Step 4: Simplify right side
    1,552.20x = 3,591,616.14
  5. Step 5: Solve for x
    x = 3,591,616.14/1,552.20
  6. Step 6: Final answer
    x = 2,313.89

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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.