Home / 2,259.32-3,118-1,264.66

Finding the Fourth Proportional to 2,259.32, 3,118 and 1,264.66

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Solution

The fourth proportional to 2,259.32, 3,118 and 1,264.66 is: 1,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.32 : 3,118 = 1,264.66 : x
  2. Step 2: Convert to fraction form
    2,259.32/3,118 = 1,264.66/x
  3. Step 3: Cross multiply
    2,259.32x = 3,118 × 1,264.66
  4. Step 4: Simplify right side
    2,259.32x = 3,943,209.88
  5. Step 5: Solve for x
    x = 3,943,209.88/2,259.32
  6. Step 6: Final answer
    x = 1,745.31

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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.