Home / 1,960.66-2,705.35-1,488.43

Finding the Fourth Proportional to 1,960.66, 2,705.35 and 1,488.43

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Solution

The fourth proportional to 1,960.66, 2,705.35 and 1,488.43 is: 2,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.66 : 2,705.35 = 1,488.43 : x
  2. Step 2: Convert to fraction form
    1,960.66/2,705.35 = 1,488.43/x
  3. Step 3: Cross multiply
    1,960.66x = 2,705.35 × 1,488.43
  4. Step 4: Simplify right side
    1,960.66x = 4,026,711.33
  5. Step 5: Solve for x
    x = 4,026,711.33/1,960.66
  6. Step 6: Final answer
    x = 2,053.76

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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.