Home / 2,581.16-3,560.85-1,585.85

Finding the Fourth Proportional to 2,581.16, 3,560.85 and 1,585.85

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Solution

The fourth proportional to 2,581.16, 3,560.85 and 1,585.85 is: 2,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.16 : 3,560.85 = 1,585.85 : x
  2. Step 2: Convert to fraction form
    2,581.16/3,560.85 = 1,585.85/x
  3. Step 3: Cross multiply
    2,581.16x = 3,560.85 × 1,585.85
  4. Step 4: Simplify right side
    2,581.16x = 5,646,956.17
  5. Step 5: Solve for x
    x = 5,646,956.17/2,581.16
  6. Step 6: Final answer
    x = 2,187.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.