Home / 3,370.24-5,053.76-1,422.08

Finding the Fourth Proportional to 3,370.24, 5,053.76 and 1,422.08

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Solution

The fourth proportional to 3,370.24, 5,053.76 and 1,422.08 is: 2,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.24 : 5,053.76 = 1,422.08 : x
  2. Step 2: Convert to fraction form
    3,370.24/5,053.76 = 1,422.08/x
  3. Step 3: Cross multiply
    3,370.24x = 5,053.76 × 1,422.08
  4. Step 4: Simplify right side
    3,370.24x = 7,186,851.02
  5. Step 5: Solve for x
    x = 7,186,851.02/3,370.24
  6. Step 6: Final answer
    x = 2,132.44

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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.