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Finding the Fourth Proportional to 2,470.85, 3,706.67 and 1,009.61

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Solution

The fourth proportional to 2,470.85, 3,706.67 and 1,009.61 is: 1,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.85 : 3,706.67 = 1,009.61 : x
  2. Step 2: Convert to fraction form
    2,470.85/3,706.67 = 1,009.61/x
  3. Step 3: Cross multiply
    2,470.85x = 3,706.67 × 1,009.61
  4. Step 4: Simplify right side
    2,470.85x = 3,742,275.09
  5. Step 5: Solve for x
    x = 3,742,275.09/2,470.85
  6. Step 6: Final answer
    x = 1,514.57

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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.