Home / 2,343.13-3,233.47-1,280.86

Finding the Fourth Proportional to 2,343.13, 3,233.47 and 1,280.86

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Solution

The fourth proportional to 2,343.13, 3,233.47 and 1,280.86 is: 1,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.13 : 3,233.47 = 1,280.86 : x
  2. Step 2: Convert to fraction form
    2,343.13/3,233.47 = 1,280.86/x
  3. Step 3: Cross multiply
    2,343.13x = 3,233.47 × 1,280.86
  4. Step 4: Simplify right side
    2,343.13x = 4,141,631.69
  5. Step 5: Solve for x
    x = 4,141,631.69/2,343.13
  6. Step 6: Final answer
    x = 1,767.57

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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.