Home / 3,142.06-4,709.02-1,291.08

Finding the Fourth Proportional to 3,142.06, 4,709.02 and 1,291.08

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Solution

The fourth proportional to 3,142.06, 4,709.02 and 1,291.08 is: 1,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.06 : 4,709.02 = 1,291.08 : x
  2. Step 2: Convert to fraction form
    3,142.06/4,709.02 = 1,291.08/x
  3. Step 3: Cross multiply
    3,142.06x = 4,709.02 × 1,291.08
  4. Step 4: Simplify right side
    3,142.06x = 6,079,721.54
  5. Step 5: Solve for x
    x = 6,079,721.54/3,142.06
  6. Step 6: Final answer
    x = 1,934.95

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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.