Home / 3,244.93-4,478.34-1,986.82

Finding the Fourth Proportional to 3,244.93, 4,478.34 and 1,986.82

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Solution

The fourth proportional to 3,244.93, 4,478.34 and 1,986.82 is: 2,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.93 : 4,478.34 = 1,986.82 : x
  2. Step 2: Convert to fraction form
    3,244.93/4,478.34 = 1,986.82/x
  3. Step 3: Cross multiply
    3,244.93x = 4,478.34 × 1,986.82
  4. Step 4: Simplify right side
    3,244.93x = 8,897,655.48
  5. Step 5: Solve for x
    x = 8,897,655.48/3,244.93
  6. Step 6: Final answer
    x = 2,742.02

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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.