Home / 1,560.62-2,341.02-1,331.12

Finding the Fourth Proportional to 1,560.62, 2,341.02 and 1,331.12

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Solution

The fourth proportional to 1,560.62, 2,341.02 and 1,331.12 is: 1,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.62 : 2,341.02 = 1,331.12 : x
  2. Step 2: Convert to fraction form
    1,560.62/2,341.02 = 1,331.12/x
  3. Step 3: Cross multiply
    1,560.62x = 2,341.02 × 1,331.12
  4. Step 4: Simplify right side
    1,560.62x = 3,116,178.54
  5. Step 5: Solve for x
    x = 3,116,178.54/1,560.62
  6. Step 6: Final answer
    x = 1,996.76

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1.5x scale

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.