Home / 3,358.40-4,632.72-1,960.88

Finding the Fourth Proportional to 3,358.40, 4,632.72 and 1,960.88

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Solution

The fourth proportional to 3,358.40, 4,632.72 and 1,960.88 is: 2,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.40 : 4,632.72 = 1,960.88 : x
  2. Step 2: Convert to fraction form
    3,358.40/4,632.72 = 1,960.88/x
  3. Step 3: Cross multiply
    3,358.40x = 4,632.72 × 1,960.88
  4. Step 4: Simplify right side
    3,358.40x = 9,084,207.99
  5. Step 5: Solve for x
    x = 9,084,207.99/3,358.40
  6. Step 6: Final answer
    x = 2,704.92

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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.