Home / 3,657.32-5,484.80-1,191.56

Finding the Fourth Proportional to 3,657.32, 5,484.80 and 1,191.56

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Solution

The fourth proportional to 3,657.32, 5,484.80 and 1,191.56 is: 1,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.32 : 5,484.80 = 1,191.56 : x
  2. Step 2: Convert to fraction form
    3,657.32/5,484.80 = 1,191.56/x
  3. Step 3: Cross multiply
    3,657.32x = 5,484.80 × 1,191.56
  4. Step 4: Simplify right side
    3,657.32x = 6,535,468.29
  5. Step 5: Solve for x
    x = 6,535,468.29/3,657.32
  6. Step 6: Final answer
    x = 1,786.96

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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.