Home / 3,152.89-4,350.93-1,974.61

Finding the Fourth Proportional to 3,152.89, 4,350.93 and 1,974.61

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Solution

The fourth proportional to 3,152.89, 4,350.93 and 1,974.61 is: 2,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.89 : 4,350.93 = 1,974.61 : x
  2. Step 2: Convert to fraction form
    3,152.89/4,350.93 = 1,974.61/x
  3. Step 3: Cross multiply
    3,152.89x = 4,350.93 × 1,974.61
  4. Step 4: Simplify right side
    3,152.89x = 8,591,401.63
  5. Step 5: Solve for x
    x = 8,591,401.63/3,152.89
  6. Step 6: Final answer
    x = 2,724.93

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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.