Home / 3,448.17-4,729.85-3,418.53

Finding the Fourth Proportional to 3,448.17, 4,729.85 and 3,418.53

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Solution

The fourth proportional to 3,448.17, 4,729.85 and 3,418.53 is: 4,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.17 : 4,729.85 = 3,418.53 : x
  2. Step 2: Convert to fraction form
    3,448.17/4,729.85 = 3,418.53/x
  3. Step 3: Cross multiply
    3,448.17x = 4,729.85 × 3,418.53
  4. Step 4: Simplify right side
    3,448.17x = 16,169,134.12
  5. Step 5: Solve for x
    x = 16,169,134.12/3,448.17
  6. Step 6: Final answer
    x = 4,689.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.