Home / 1,764.72-2,434.68-1,065.84

Finding the Fourth Proportional to 1,764.72, 2,434.68 and 1,065.84

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Solution

The fourth proportional to 1,764.72, 2,434.68 and 1,065.84 is: 1,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.72 : 2,434.68 = 1,065.84 : x
  2. Step 2: Convert to fraction form
    1,764.72/2,434.68 = 1,065.84/x
  3. Step 3: Cross multiply
    1,764.72x = 2,434.68 × 1,065.84
  4. Step 4: Simplify right side
    1,764.72x = 2,594,979.33
  5. Step 5: Solve for x
    x = 2,594,979.33/1,764.72
  6. Step 6: Final answer
    x = 1,470.48

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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.