Home / 2,447.11-3,377.02-1,328.05

Finding the Fourth Proportional to 2,447.11, 3,377.02 and 1,328.05

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Solution

The fourth proportional to 2,447.11, 3,377.02 and 1,328.05 is: 1,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.11 : 3,377.02 = 1,328.05 : x
  2. Step 2: Convert to fraction form
    2,447.11/3,377.02 = 1,328.05/x
  3. Step 3: Cross multiply
    2,447.11x = 3,377.02 × 1,328.05
  4. Step 4: Simplify right side
    2,447.11x = 4,484,851.41
  5. Step 5: Solve for x
    x = 4,484,851.41/2,447.11
  6. Step 6: Final answer
    x = 1,832.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.