Home / 1,162.24-1,743.90-888.64

Finding the Fourth Proportional to 1,162.24, 1,743.90 and 888.64

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Solution

The fourth proportional to 1,162.24, 1,743.90 and 888.64 is: 1,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.24 : 1,743.90 = 888.64 : x
  2. Step 2: Convert to fraction form
    1,162.24/1,743.90 = 888.64/x
  3. Step 3: Cross multiply
    1,162.24x = 1,743.90 × 888.64
  4. Step 4: Simplify right side
    1,162.24x = 1,549,699.30
  5. Step 5: Solve for x
    x = 1,549,699.30/1,162.24
  6. Step 6: Final answer
    x = 1,333.37

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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.