Home / 1,809.85-2,497.51-1,023.88

Finding the Fourth Proportional to 1,809.85, 2,497.51 and 1,023.88

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Solution

The fourth proportional to 1,809.85, 2,497.51 and 1,023.88 is: 1,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.85 : 2,497.51 = 1,023.88 : x
  2. Step 2: Convert to fraction form
    1,809.85/2,497.51 = 1,023.88/x
  3. Step 3: Cross multiply
    1,809.85x = 2,497.51 × 1,023.88
  4. Step 4: Simplify right side
    1,809.85x = 2,557,150.54
  5. Step 5: Solve for x
    x = 2,557,150.54/1,809.85
  6. Step 6: Final answer
    x = 1,412.91

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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.