Home / 3,657.12-5,484.61-2,608.39

Finding the Fourth Proportional to 3,657.12, 5,484.61 and 2,608.39

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Solution

The fourth proportional to 3,657.12, 5,484.61 and 2,608.39 is: 3,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.12 : 5,484.61 = 2,608.39 : x
  2. Step 2: Convert to fraction form
    3,657.12/5,484.61 = 2,608.39/x
  3. Step 3: Cross multiply
    3,657.12x = 5,484.61 × 2,608.39
  4. Step 4: Simplify right side
    3,657.12x = 14,306,001.88
  5. Step 5: Solve for x
    x = 14,306,001.88/3,657.12
  6. Step 6: Final answer
    x = 3,911.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.