Home / 3,397.23-4,686.51-2,278.41

Finding the Fourth Proportional to 3,397.23, 4,686.51 and 2,278.41

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Solution

The fourth proportional to 3,397.23, 4,686.51 and 2,278.41 is: 3,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.23 : 4,686.51 = 2,278.41 : x
  2. Step 2: Convert to fraction form
    3,397.23/4,686.51 = 2,278.41/x
  3. Step 3: Cross multiply
    3,397.23x = 4,686.51 × 2,278.41
  4. Step 4: Simplify right side
    3,397.23x = 10,677,791.25
  5. Step 5: Solve for x
    x = 10,677,791.25/3,397.23
  6. Step 6: Final answer
    x = 3,143.09

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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.