Home / 2,291.29-3,162.01-1,347.11

Finding the Fourth Proportional to 2,291.29, 3,162.01 and 1,347.11

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Solution

The fourth proportional to 2,291.29, 3,162.01 and 1,347.11 is: 1,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.29 : 3,162.01 = 1,347.11 : x
  2. Step 2: Convert to fraction form
    2,291.29/3,162.01 = 1,347.11/x
  3. Step 3: Cross multiply
    2,291.29x = 3,162.01 × 1,347.11
  4. Step 4: Simplify right side
    2,291.29x = 4,259,575.29
  5. Step 5: Solve for x
    x = 4,259,575.29/2,291.29
  6. Step 6: Final answer
    x = 1,859.03

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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.