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Finding the Fourth Proportional to 2,594.70, 3,890.79 and 1,207.71

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Solution

The fourth proportional to 2,594.70, 3,890.79 and 1,207.71 is: 1,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.70 : 3,890.79 = 1,207.71 : x
  2. Step 2: Convert to fraction form
    2,594.70/3,890.79 = 1,207.71/x
  3. Step 3: Cross multiply
    2,594.70x = 3,890.79 × 1,207.71
  4. Step 4: Simplify right side
    2,594.70x = 4,698,945.99
  5. Step 5: Solve for x
    x = 4,698,945.99/2,594.70
  6. Step 6: Final answer
    x = 1,810.98

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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.