Home / 3,384.75-4,668.12-2,589.20

Finding the Fourth Proportional to 3,384.75, 4,668.12 and 2,589.20

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Solution

The fourth proportional to 3,384.75, 4,668.12 and 2,589.20 is: 3,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.75 : 4,668.12 = 2,589.20 : x
  2. Step 2: Convert to fraction form
    3,384.75/4,668.12 = 2,589.20/x
  3. Step 3: Cross multiply
    3,384.75x = 4,668.12 × 2,589.20
  4. Step 4: Simplify right side
    3,384.75x = 12,086,672.96
  5. Step 5: Solve for x
    x = 12,086,672.96/3,384.75
  6. Step 6: Final answer
    x = 3,570.92

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Half scale
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Double scale
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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.