Home / 2,865.81-4,299.14-1,306.23

Finding the Fourth Proportional to 2,865.81, 4,299.14 and 1,306.23

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Solution

The fourth proportional to 2,865.81, 4,299.14 and 1,306.23 is: 1,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.81 : 4,299.14 = 1,306.23 : x
  2. Step 2: Convert to fraction form
    2,865.81/4,299.14 = 1,306.23/x
  3. Step 3: Cross multiply
    2,865.81x = 4,299.14 × 1,306.23
  4. Step 4: Simplify right side
    2,865.81x = 5,615,652.79
  5. Step 5: Solve for x
    x = 5,615,652.79/2,865.81
  6. Step 6: Final answer
    x = 1,959.53

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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.