Home / 3,518.28-4,861.65-3,347.48

Finding the Fourth Proportional to 3,518.28, 4,861.65 and 3,347.48

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Solution

The fourth proportional to 3,518.28, 4,861.65 and 3,347.48 is: 4,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.28 : 4,861.65 = 3,347.48 : x
  2. Step 2: Convert to fraction form
    3,518.28/4,861.65 = 3,347.48/x
  3. Step 3: Cross multiply
    3,518.28x = 4,861.65 × 3,347.48
  4. Step 4: Simplify right side
    3,518.28x = 16,274,251.83
  5. Step 5: Solve for x
    x = 16,274,251.83/3,518.28
  6. Step 6: Final answer
    x = 4,625.63

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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.