Home / 3,418.41-4,714.29-2,158.05

Finding the Fourth Proportional to 3,418.41, 4,714.29 and 2,158.05

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Solution

The fourth proportional to 3,418.41, 4,714.29 and 2,158.05 is: 2,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.41 : 4,714.29 = 2,158.05 : x
  2. Step 2: Convert to fraction form
    3,418.41/4,714.29 = 2,158.05/x
  3. Step 3: Cross multiply
    3,418.41x = 4,714.29 × 2,158.05
  4. Step 4: Simplify right side
    3,418.41x = 10,173,673.53
  5. Step 5: Solve for x
    x = 10,173,673.53/3,418.41
  6. Step 6: Final answer
    x = 2,976.14

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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.