Home / 1,528.56-2,291.20-1,162.44

Finding the Fourth Proportional to 1,528.56, 2,291.20 and 1,162.44

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Solution

The fourth proportional to 1,528.56, 2,291.20 and 1,162.44 is: 1,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.56 : 2,291.20 = 1,162.44 : x
  2. Step 2: Convert to fraction form
    1,528.56/2,291.20 = 1,162.44/x
  3. Step 3: Cross multiply
    1,528.56x = 2,291.20 × 1,162.44
  4. Step 4: Simplify right side
    1,528.56x = 2,663,382.53
  5. Step 5: Solve for x
    x = 2,663,382.53/1,528.56
  6. Step 6: Final answer
    x = 1,742.41

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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.