Home / 2,259.33-3,118.13-1,264.85

Finding the Fourth Proportional to 2,259.33, 3,118.13 and 1,264.85

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Solution

The fourth proportional to 2,259.33, 3,118.13 and 1,264.85 is: 1,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.33 : 3,118.13 = 1,264.85 : x
  2. Step 2: Convert to fraction form
    2,259.33/3,118.13 = 1,264.85/x
  3. Step 3: Cross multiply
    2,259.33x = 3,118.13 × 1,264.85
  4. Step 4: Simplify right side
    2,259.33x = 3,943,944.82
  5. Step 5: Solve for x
    x = 3,943,944.82/2,259.33
  6. Step 6: Final answer
    x = 1,745.63

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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.