Home / 3,207.42-4,423.55-2,543.22

Finding the Fourth Proportional to 3,207.42, 4,423.55 and 2,543.22

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Solution

The fourth proportional to 3,207.42, 4,423.55 and 2,543.22 is: 3,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.42 : 4,423.55 = 2,543.22 : x
  2. Step 2: Convert to fraction form
    3,207.42/4,423.55 = 2,543.22/x
  3. Step 3: Cross multiply
    3,207.42x = 4,423.55 × 2,543.22
  4. Step 4: Simplify right side
    3,207.42x = 11,250,048.11
  5. Step 5: Solve for x
    x = 11,250,048.11/3,207.42
  6. Step 6: Final answer
    x = 3,507.51

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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.