Home / 2,581.26-3,871.89-1,043.34

Finding the Fourth Proportional to 2,581.26, 3,871.89 and 1,043.34

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Solution

The fourth proportional to 2,581.26, 3,871.89 and 1,043.34 is: 1,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.26 : 3,871.89 = 1,043.34 : x
  2. Step 2: Convert to fraction form
    2,581.26/3,871.89 = 1,043.34/x
  3. Step 3: Cross multiply
    2,581.26x = 3,871.89 × 1,043.34
  4. Step 4: Simplify right side
    2,581.26x = 4,039,697.71
  5. Step 5: Solve for x
    x = 4,039,697.71/2,581.26
  6. Step 6: Final answer
    x = 1,565.01

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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.