Home / 1,488.24-2,048.76-1,293.84

Finding the Fourth Proportional to 1,488.24, 2,048.76 and 1,293.84

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Solution

The fourth proportional to 1,488.24, 2,048.76 and 1,293.84 is: 1,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.24 : 2,048.76 = 1,293.84 : x
  2. Step 2: Convert to fraction form
    1,488.24/2,048.76 = 1,293.84/x
  3. Step 3: Cross multiply
    1,488.24x = 2,048.76 × 1,293.84
  4. Step 4: Simplify right side
    1,488.24x = 2,650,767.64
  5. Step 5: Solve for x
    x = 2,650,767.64/1,488.24
  6. Step 6: Final answer
    x = 1,781.14

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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.