Home / 3,158.76-4,726.26-2,186.76

Finding the Fourth Proportional to 3,158.76, 4,726.26 and 2,186.76

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Solution

The fourth proportional to 3,158.76, 4,726.26 and 2,186.76 is: 3,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.76 : 4,726.26 = 2,186.76 : x
  2. Step 2: Convert to fraction form
    3,158.76/4,726.26 = 2,186.76/x
  3. Step 3: Cross multiply
    3,158.76x = 4,726.26 × 2,186.76
  4. Step 4: Simplify right side
    3,158.76x = 10,335,196.32
  5. Step 5: Solve for x
    x = 10,335,196.32/3,158.76
  6. Step 6: Final answer
    x = 3,271.92

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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.