Home / 1,863.20-2,568.18-1,488.98

Finding the Fourth Proportional to 1,863.20, 2,568.18 and 1,488.98

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Solution

The fourth proportional to 1,863.20, 2,568.18 and 1,488.98 is: 2,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.20 : 2,568.18 = 1,488.98 : x
  2. Step 2: Convert to fraction form
    1,863.20/2,568.18 = 1,488.98/x
  3. Step 3: Cross multiply
    1,863.20x = 2,568.18 × 1,488.98
  4. Step 4: Simplify right side
    1,863.20x = 3,823,968.66
  5. Step 5: Solve for x
    x = 3,823,968.66/1,863.20
  6. Step 6: Final answer
    x = 2,052.37

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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.