Home / 3,151.32-4,726.35-2,995.20

Finding the Fourth Proportional to 3,151.32, 4,726.35 and 2,995.20

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Solution

The fourth proportional to 3,151.32, 4,726.35 and 2,995.20 is: 4,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.32 : 4,726.35 = 2,995.20 : x
  2. Step 2: Convert to fraction form
    3,151.32/4,726.35 = 2,995.20/x
  3. Step 3: Cross multiply
    3,151.32x = 4,726.35 × 2,995.20
  4. Step 4: Simplify right side
    3,151.32x = 14,156,363.52
  5. Step 5: Solve for x
    x = 14,156,363.52/3,151.32
  6. Step 6: Final answer
    x = 4,492.20

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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.