Home / 1,456.48-2,180.84-1,148.92

Finding the Fourth Proportional to 1,456.48, 2,180.84 and 1,148.92

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Solution

The fourth proportional to 1,456.48, 2,180.84 and 1,148.92 is: 1,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.48 : 2,180.84 = 1,148.92 : x
  2. Step 2: Convert to fraction form
    1,456.48/2,180.84 = 1,148.92/x
  3. Step 3: Cross multiply
    1,456.48x = 2,180.84 × 1,148.92
  4. Step 4: Simplify right side
    1,456.48x = 2,505,610.69
  5. Step 5: Solve for x
    x = 2,505,610.69/1,456.48
  6. Step 6: Final answer
    x = 1,720.32

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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.