Home / 1,553.45-2,319.73-1,348.52

Finding the Fourth Proportional to 1,553.45, 2,319.73 and 1,348.52

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Solution

The fourth proportional to 1,553.45, 2,319.73 and 1,348.52 is: 2,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.45 : 2,319.73 = 1,348.52 : x
  2. Step 2: Convert to fraction form
    1,553.45/2,319.73 = 1,348.52/x
  3. Step 3: Cross multiply
    1,553.45x = 2,319.73 × 1,348.52
  4. Step 4: Simplify right side
    1,553.45x = 3,128,202.30
  5. Step 5: Solve for x
    x = 3,128,202.30/1,553.45
  6. Step 6: Final answer
    x = 2,013.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.