Home / 3,316.32-4,972.68-2,146.16

Finding the Fourth Proportional to 3,316.32, 4,972.68 and 2,146.16

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Solution

The fourth proportional to 3,316.32, 4,972.68 and 2,146.16 is: 3,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.32 : 4,972.68 = 2,146.16 : x
  2. Step 2: Convert to fraction form
    3,316.32/4,972.68 = 2,146.16/x
  3. Step 3: Cross multiply
    3,316.32x = 4,972.68 × 2,146.16
  4. Step 4: Simplify right side
    3,316.32x = 10,672,166.91
  5. Step 5: Solve for x
    x = 10,672,166.91/3,316.32
  6. Step 6: Final answer
    x = 3,218.08

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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.