Home / 2,392.11-3,301.13-1,329.89

Finding the Fourth Proportional to 2,392.11, 3,301.13 and 1,329.89

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Solution

The fourth proportional to 2,392.11, 3,301.13 and 1,329.89 is: 1,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.11 : 3,301.13 = 1,329.89 : x
  2. Step 2: Convert to fraction form
    2,392.11/3,301.13 = 1,329.89/x
  3. Step 3: Cross multiply
    2,392.11x = 3,301.13 × 1,329.89
  4. Step 4: Simplify right side
    2,392.11x = 4,390,116.62
  5. Step 5: Solve for x
    x = 4,390,116.62/2,392.11
  6. Step 6: Final answer
    x = 1,835.25

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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.