Home / 1,560.19-2,337.85-981.85

Finding the Fourth Proportional to 1,560.19, 2,337.85 and 981.85

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Solution

The fourth proportional to 1,560.19, 2,337.85 and 981.85 is: 1,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.19 : 2,337.85 = 981.85 : x
  2. Step 2: Convert to fraction form
    1,560.19/2,337.85 = 981.85/x
  3. Step 3: Cross multiply
    1,560.19x = 2,337.85 × 981.85
  4. Step 4: Simplify right side
    1,560.19x = 2,295,418.02
  5. Step 5: Solve for x
    x = 2,295,418.02/1,560.19
  6. Step 6: Final answer
    x = 1,471.24

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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.