Home / 3,397.88-4,686.01-2,201.65

Finding the Fourth Proportional to 3,397.88, 4,686.01 and 2,201.65

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Solution

The fourth proportional to 3,397.88, 4,686.01 and 2,201.65 is: 3,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.88 : 4,686.01 = 2,201.65 : x
  2. Step 2: Convert to fraction form
    3,397.88/4,686.01 = 2,201.65/x
  3. Step 3: Cross multiply
    3,397.88x = 4,686.01 × 2,201.65
  4. Step 4: Simplify right side
    3,397.88x = 10,316,953.92
  5. Step 5: Solve for x
    x = 10,316,953.92/3,397.88
  6. Step 6: Final answer
    x = 3,036.29

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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.