Home / 3,400.61-4,691.67-1,908.32

Finding the Fourth Proportional to 3,400.61, 4,691.67 and 1,908.32

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Solution

The fourth proportional to 3,400.61, 4,691.67 and 1,908.32 is: 2,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.61 : 4,691.67 = 1,908.32 : x
  2. Step 2: Convert to fraction form
    3,400.61/4,691.67 = 1,908.32/x
  3. Step 3: Cross multiply
    3,400.61x = 4,691.67 × 1,908.32
  4. Step 4: Simplify right side
    3,400.61x = 8,953,207.69
  5. Step 5: Solve for x
    x = 8,953,207.69/3,400.61
  6. Step 6: Final answer
    x = 2,632.82

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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.