Home / 3,146.16-4,341.81-1,729.91

Finding the Fourth Proportional to 3,146.16, 4,341.81 and 1,729.91

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Solution

The fourth proportional to 3,146.16, 4,341.81 and 1,729.91 is: 2,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.16 : 4,341.81 = 1,729.91 : x
  2. Step 2: Convert to fraction form
    3,146.16/4,341.81 = 1,729.91/x
  3. Step 3: Cross multiply
    3,146.16x = 4,341.81 × 1,729.91
  4. Step 4: Simplify right side
    3,146.16x = 7,510,918.83
  5. Step 5: Solve for x
    x = 7,510,918.83/3,146.16
  6. Step 6: Final answer
    x = 2,387.33

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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.