Home / 1,553.73-2,341.11-1,285.83

Finding the Fourth Proportional to 1,553.73, 2,341.11 and 1,285.83

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Solution

The fourth proportional to 1,553.73, 2,341.11 and 1,285.83 is: 1,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.73 : 2,341.11 = 1,285.83 : x
  2. Step 2: Convert to fraction form
    1,553.73/2,341.11 = 1,285.83/x
  3. Step 3: Cross multiply
    1,553.73x = 2,341.11 × 1,285.83
  4. Step 4: Simplify right side
    1,553.73x = 3,010,269.47
  5. Step 5: Solve for x
    x = 3,010,269.47/1,553.73
  6. Step 6: Final answer
    x = 1,937.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.