Home / 1,442.08-2,162.34-467.92

Finding the Fourth Proportional to 1,442.08, 2,162.34 and 467.92

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Solution

The fourth proportional to 1,442.08, 2,162.34 and 467.92 is: 701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.08 : 2,162.34 = 467.92 : x
  2. Step 2: Convert to fraction form
    1,442.08/2,162.34 = 467.92/x
  3. Step 3: Cross multiply
    1,442.08x = 2,162.34 × 467.92
  4. Step 4: Simplify right side
    1,442.08x = 1,011,802.13
  5. Step 5: Solve for x
    x = 1,011,802.13/1,442.08
  6. Step 6: Final answer
    x = 701.63

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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.