Home / 3,818.18-5,267.28-2,403.62

Finding the Fourth Proportional to 3,818.18, 5,267.28 and 2,403.62

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Solution

The fourth proportional to 3,818.18, 5,267.28 and 2,403.62 is: 3,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.18 : 5,267.28 = 2,403.62 : x
  2. Step 2: Convert to fraction form
    3,818.18/5,267.28 = 2,403.62/x
  3. Step 3: Cross multiply
    3,818.18x = 5,267.28 × 2,403.62
  4. Step 4: Simplify right side
    3,818.18x = 12,660,539.55
  5. Step 5: Solve for x
    x = 12,660,539.55/3,818.18
  6. Step 6: Final answer
    x = 3,315.86

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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.