Home / 2,207.52-3,048.40-1,422.92

Finding the Fourth Proportional to 2,207.52, 3,048.40 and 1,422.92

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Solution

The fourth proportional to 2,207.52, 3,048.40 and 1,422.92 is: 1,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.52 : 3,048.40 = 1,422.92 : x
  2. Step 2: Convert to fraction form
    2,207.52/3,048.40 = 1,422.92/x
  3. Step 3: Cross multiply
    2,207.52x = 3,048.40 × 1,422.92
  4. Step 4: Simplify right side
    2,207.52x = 4,337,629.33
  5. Step 5: Solve for x
    x = 4,337,629.33/2,207.52
  6. Step 6: Final answer
    x = 1,964.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.