Home / 2,192.90-3,287.52-1,708.11

Finding the Fourth Proportional to 2,192.90, 3,287.52 and 1,708.11

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Solution

The fourth proportional to 2,192.90, 3,287.52 and 1,708.11 is: 2,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.90 : 3,287.52 = 1,708.11 : x
  2. Step 2: Convert to fraction form
    2,192.90/3,287.52 = 1,708.11/x
  3. Step 3: Cross multiply
    2,192.90x = 3,287.52 × 1,708.11
  4. Step 4: Simplify right side
    2,192.90x = 5,615,445.79
  5. Step 5: Solve for x
    x = 5,615,445.79/2,192.90
  6. Step 6: Final answer
    x = 2,560.75

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1.5x scale

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.