Home / 2,316.20-3,474.30-1,161.68

Finding the Fourth Proportional to 2,316.20, 3,474.30 and 1,161.68

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Solution

The fourth proportional to 2,316.20, 3,474.30 and 1,161.68 is: 1,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.20 : 3,474.30 = 1,161.68 : x
  2. Step 2: Convert to fraction form
    2,316.20/3,474.30 = 1,161.68/x
  3. Step 3: Cross multiply
    2,316.20x = 3,474.30 × 1,161.68
  4. Step 4: Simplify right side
    2,316.20x = 4,036,024.82
  5. Step 5: Solve for x
    x = 4,036,024.82/2,316.20
  6. Step 6: Final answer
    x = 1,742.52

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Similar ratio
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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.