Home / 2,301.12-3,449.10-913.40

Finding the Fourth Proportional to 2,301.12, 3,449.10 and 913.40

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Solution

The fourth proportional to 2,301.12, 3,449.10 and 913.40 is: 1,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.12 : 3,449.10 = 913.40 : x
  2. Step 2: Convert to fraction form
    2,301.12/3,449.10 = 913.40/x
  3. Step 3: Cross multiply
    2,301.12x = 3,449.10 × 913.40
  4. Step 4: Simplify right side
    2,301.12x = 3,150,407.94
  5. Step 5: Solve for x
    x = 3,150,407.94/2,301.12
  6. Step 6: Final answer
    x = 1,369.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.