Home / 2,341.26-3,230.42-1,397.39

Finding the Fourth Proportional to 2,341.26, 3,230.42 and 1,397.39

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Solution

The fourth proportional to 2,341.26, 3,230.42 and 1,397.39 is: 1,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.26 : 3,230.42 = 1,397.39 : x
  2. Step 2: Convert to fraction form
    2,341.26/3,230.42 = 1,397.39/x
  3. Step 3: Cross multiply
    2,341.26x = 3,230.42 × 1,397.39
  4. Step 4: Simplify right side
    2,341.26x = 4,514,133.46
  5. Step 5: Solve for x
    x = 4,514,133.46/2,341.26
  6. Step 6: Final answer
    x = 1,928.08

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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.