Home / 2,079.56-2,869.32-1,581.44

Finding the Fourth Proportional to 2,079.56, 2,869.32 and 1,581.44

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Solution

The fourth proportional to 2,079.56, 2,869.32 and 1,581.44 is: 2,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.56 : 2,869.32 = 1,581.44 : x
  2. Step 2: Convert to fraction form
    2,079.56/2,869.32 = 1,581.44/x
  3. Step 3: Cross multiply
    2,079.56x = 2,869.32 × 1,581.44
  4. Step 4: Simplify right side
    2,079.56x = 4,537,657.42
  5. Step 5: Solve for x
    x = 4,537,657.42/2,079.56
  6. Step 6: Final answer
    x = 2,182.03

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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.