Home / 3,447.17-4,728.48-3,417.53

Finding the Fourth Proportional to 3,447.17, 4,728.48 and 3,417.53

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Solution

The fourth proportional to 3,447.17, 4,728.48 and 3,417.53 is: 4,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.17 : 4,728.48 = 3,417.53 : x
  2. Step 2: Convert to fraction form
    3,447.17/4,728.48 = 3,417.53/x
  3. Step 3: Cross multiply
    3,447.17x = 4,728.48 × 3,417.53
  4. Step 4: Simplify right side
    3,447.17x = 16,159,685.80
  5. Step 5: Solve for x
    x = 16,159,685.80/3,447.17
  6. Step 6: Final answer
    x = 4,687.81

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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.