Home / 3,493.76-4,818.60-2,164.96

Finding the Fourth Proportional to 3,493.76, 4,818.60 and 2,164.96

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Solution

The fourth proportional to 3,493.76, 4,818.60 and 2,164.96 is: 2,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.76 : 4,818.60 = 2,164.96 : x
  2. Step 2: Convert to fraction form
    3,493.76/4,818.60 = 2,164.96/x
  3. Step 3: Cross multiply
    3,493.76x = 4,818.60 × 2,164.96
  4. Step 4: Simplify right side
    3,493.76x = 10,432,076.26
  5. Step 5: Solve for x
    x = 10,432,076.26/3,493.76
  6. Step 6: Final answer
    x = 2,985.92

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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.