Home / 2,259.65-3,118.20-1,264.93

Finding the Fourth Proportional to 2,259.65, 3,118.20 and 1,264.93

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Solution

The fourth proportional to 2,259.65, 3,118.20 and 1,264.93 is: 1,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.65 : 3,118.20 = 1,264.93 : x
  2. Step 2: Convert to fraction form
    2,259.65/3,118.20 = 1,264.93/x
  3. Step 3: Cross multiply
    2,259.65x = 3,118.20 × 1,264.93
  4. Step 4: Simplify right side
    2,259.65x = 3,944,304.73
  5. Step 5: Solve for x
    x = 3,944,304.73/2,259.65
  6. Step 6: Final answer
    x = 1,745.54

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1.5x scale

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.