Home / 3,207.40-4,423.86-2,324.68

Finding the Fourth Proportional to 3,207.40, 4,423.86 and 2,324.68

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Solution

The fourth proportional to 3,207.40, 4,423.86 and 2,324.68 is: 3,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.40 : 4,423.86 = 2,324.68 : x
  2. Step 2: Convert to fraction form
    3,207.40/4,423.86 = 2,324.68/x
  3. Step 3: Cross multiply
    3,207.40x = 4,423.86 × 2,324.68
  4. Step 4: Simplify right side
    3,207.40x = 10,284,058.86
  5. Step 5: Solve for x
    x = 10,284,058.86/3,207.40
  6. Step 6: Final answer
    x = 3,206.35

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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.