Home / 3,358.22-4,632.47-3,120.65

Finding the Fourth Proportional to 3,358.22, 4,632.47 and 3,120.65

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Solution

The fourth proportional to 3,358.22, 4,632.47 and 3,120.65 is: 4,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.22 : 4,632.47 = 3,120.65 : x
  2. Step 2: Convert to fraction form
    3,358.22/4,632.47 = 3,120.65/x
  3. Step 3: Cross multiply
    3,358.22x = 4,632.47 × 3,120.65
  4. Step 4: Simplify right side
    3,358.22x = 14,456,278.74
  5. Step 5: Solve for x
    x = 14,456,278.74/3,358.22
  6. Step 6: Final answer
    x = 4,304.75

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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.