Home / 2,259.29-3,117.96-1,264.64

Finding the Fourth Proportional to 2,259.29, 3,117.96 and 1,264.64

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Solution

The fourth proportional to 2,259.29, 3,117.96 and 1,264.64 is: 1,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.29 : 3,117.96 = 1,264.64 : x
  2. Step 2: Convert to fraction form
    2,259.29/3,117.96 = 1,264.64/x
  3. Step 3: Cross multiply
    2,259.29x = 3,117.96 × 1,264.64
  4. Step 4: Simplify right side
    2,259.29x = 3,943,090.11
  5. Step 5: Solve for x
    x = 3,943,090.11/2,259.29
  6. Step 6: Final answer
    x = 1,745.28

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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.