Home / 1,951.07-2,920.67-1,332.59

Finding the Fourth Proportional to 1,951.07, 2,920.67 and 1,332.59

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Solution

The fourth proportional to 1,951.07, 2,920.67 and 1,332.59 is: 1,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.07 : 2,920.67 = 1,332.59 : x
  2. Step 2: Convert to fraction form
    1,951.07/2,920.67 = 1,332.59/x
  3. Step 3: Cross multiply
    1,951.07x = 2,920.67 × 1,332.59
  4. Step 4: Simplify right side
    1,951.07x = 3,892,048.97
  5. Step 5: Solve for x
    x = 3,892,048.97/1,951.07
  6. Step 6: Final answer
    x = 1,994.83

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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.