Home / 2,292.13-3,162.93-1,297.40

Finding the Fourth Proportional to 2,292.13, 3,162.93 and 1,297.40

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Solution

The fourth proportional to 2,292.13, 3,162.93 and 1,297.40 is: 1,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.13 : 3,162.93 = 1,297.40 : x
  2. Step 2: Convert to fraction form
    2,292.13/3,162.93 = 1,297.40/x
  3. Step 3: Cross multiply
    2,292.13x = 3,162.93 × 1,297.40
  4. Step 4: Simplify right side
    2,292.13x = 4,103,585.38
  5. Step 5: Solve for x
    x = 4,103,585.38/2,292.13
  6. Step 6: Final answer
    x = 1,790.29

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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.