Home / 3,207.16-4,425.60-1,790.74

Finding the Fourth Proportional to 3,207.16, 4,425.60 and 1,790.74

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Solution

The fourth proportional to 3,207.16, 4,425.60 and 1,790.74 is: 2,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.16 : 4,425.60 = 1,790.74 : x
  2. Step 2: Convert to fraction form
    3,207.16/4,425.60 = 1,790.74/x
  3. Step 3: Cross multiply
    3,207.16x = 4,425.60 × 1,790.74
  4. Step 4: Simplify right side
    3,207.16x = 7,925,098.94
  5. Step 5: Solve for x
    x = 7,925,098.94/3,207.16
  6. Step 6: Final answer
    x = 2,471.06

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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.