Home / 1,162.24-1,751.92-1,043.20

Finding the Fourth Proportional to 1,162.24, 1,751.92 and 1,043.20

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Solution

The fourth proportional to 1,162.24, 1,751.92 and 1,043.20 is: 1,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.24 : 1,751.92 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    1,162.24/1,751.92 = 1,043.20/x
  3. Step 3: Cross multiply
    1,162.24x = 1,751.92 × 1,043.20
  4. Step 4: Simplify right side
    1,162.24x = 1,827,602.94
  5. Step 5: Solve for x
    x = 1,827,602.94/1,162.24
  6. Step 6: Final answer
    x = 1,572.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.