Home / 2,259.65-3,118.30-1,264.87

Finding the Fourth Proportional to 2,259.65, 3,118.30 and 1,264.87

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Solution

The fourth proportional to 2,259.65, 3,118.30 and 1,264.87 is: 1,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.65 : 3,118.30 = 1,264.87 : x
  2. Step 2: Convert to fraction form
    2,259.65/3,118.30 = 1,264.87/x
  3. Step 3: Cross multiply
    2,259.65x = 3,118.30 × 1,264.87
  4. Step 4: Simplify right side
    2,259.65x = 3,944,227.32
  5. Step 5: Solve for x
    x = 3,944,227.32/2,259.65
  6. Step 6: Final answer
    x = 1,745.51

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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.