Home / 3,152.26-4,380.24-3,118.07

Finding the Fourth Proportional to 3,152.26, 4,380.24 and 3,118.07

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Solution

The fourth proportional to 3,152.26, 4,380.24 and 3,118.07 is: 4,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.26 : 4,380.24 = 3,118.07 : x
  2. Step 2: Convert to fraction form
    3,152.26/4,380.24 = 3,118.07/x
  3. Step 3: Cross multiply
    3,152.26x = 4,380.24 × 3,118.07
  4. Step 4: Simplify right side
    3,152.26x = 13,657,894.94
  5. Step 5: Solve for x
    x = 13,657,894.94/3,152.26
  6. Step 6: Final answer
    x = 4,332.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.