Home / 4,192.31-6,291.35-1,727.12

Finding the Fourth Proportional to 4,192.31, 6,291.35 and 1,727.12

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Solution

The fourth proportional to 4,192.31, 6,291.35 and 1,727.12 is: 2,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.31 : 6,291.35 = 1,727.12 : x
  2. Step 2: Convert to fraction form
    4,192.31/6,291.35 = 1,727.12/x
  3. Step 3: Cross multiply
    4,192.31x = 6,291.35 × 1,727.12
  4. Step 4: Simplify right side
    4,192.31x = 10,865,925.12
  5. Step 5: Solve for x
    x = 10,865,925.12/4,192.31
  6. Step 6: Final answer
    x = 2,591.87

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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.