Home / 1,962.13-2,707.73-1,065.85

Finding the Fourth Proportional to 1,962.13, 2,707.73 and 1,065.85

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Solution

The fourth proportional to 1,962.13, 2,707.73 and 1,065.85 is: 1,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.13 : 2,707.73 = 1,065.85 : x
  2. Step 2: Convert to fraction form
    1,962.13/2,707.73 = 1,065.85/x
  3. Step 3: Cross multiply
    1,962.13x = 2,707.73 × 1,065.85
  4. Step 4: Simplify right side
    1,962.13x = 2,886,034.02
  5. Step 5: Solve for x
    x = 2,886,034.02/1,962.13
  6. Step 6: Final answer
    x = 1,470.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.