Home / 3,146.12-4,341.18-1,801.52

Finding the Fourth Proportional to 3,146.12, 4,341.18 and 1,801.52

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Solution

The fourth proportional to 3,146.12, 4,341.18 and 1,801.52 is: 2,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.12 : 4,341.18 = 1,801.52 : x
  2. Step 2: Convert to fraction form
    3,146.12/4,341.18 = 1,801.52/x
  3. Step 3: Cross multiply
    3,146.12x = 4,341.18 × 1,801.52
  4. Step 4: Simplify right side
    3,146.12x = 7,820,726.69
  5. Step 5: Solve for x
    x = 7,820,726.69/3,146.12
  6. Step 6: Final answer
    x = 2,485.83

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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.