Home / 3,272.68-4,516.16-1,780.57

Finding the Fourth Proportional to 3,272.68, 4,516.16 and 1,780.57

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Solution

The fourth proportional to 3,272.68, 4,516.16 and 1,780.57 is: 2,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.68 : 4,516.16 = 1,780.57 : x
  2. Step 2: Convert to fraction form
    3,272.68/4,516.16 = 1,780.57/x
  3. Step 3: Cross multiply
    3,272.68x = 4,516.16 × 1,780.57
  4. Step 4: Simplify right side
    3,272.68x = 8,041,318.82
  5. Step 5: Solve for x
    x = 8,041,318.82/3,272.68
  6. Step 6: Final answer
    x = 2,457.11

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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.