Home / 3,207.16-4,805.87-2,381.57

Finding the Fourth Proportional to 3,207.16, 4,805.87 and 2,381.57

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Solution

The fourth proportional to 3,207.16, 4,805.87 and 2,381.57 is: 3,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.16 : 4,805.87 = 2,381.57 : x
  2. Step 2: Convert to fraction form
    3,207.16/4,805.87 = 2,381.57/x
  3. Step 3: Cross multiply
    3,207.16x = 4,805.87 × 2,381.57
  4. Step 4: Simplify right side
    3,207.16x = 11,445,515.82
  5. Step 5: Solve for x
    x = 11,445,515.82/3,207.16
  6. Step 6: Final answer
    x = 3,568.74

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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.