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Finding the Fourth Proportional to 2,889.81, 4,332.50 and 2,394.71

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Solution

The fourth proportional to 2,889.81, 4,332.50 and 2,394.71 is: 3,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.81 : 4,332.50 = 2,394.71 : x
  2. Step 2: Convert to fraction form
    2,889.81/4,332.50 = 2,394.71/x
  3. Step 3: Cross multiply
    2,889.81x = 4,332.50 × 2,394.71
  4. Step 4: Simplify right side
    2,889.81x = 10,375,047.44
  5. Step 5: Solve for x
    x = 10,375,047.44/2,889.81
  6. Step 6: Final answer
    x = 3,590.22

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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.