Home / 2,259.10-3,117.67-1,264.36

Finding the Fourth Proportional to 2,259.10, 3,117.67 and 1,264.36

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Solution

The fourth proportional to 2,259.10, 3,117.67 and 1,264.36 is: 1,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.10 : 3,117.67 = 1,264.36 : x
  2. Step 2: Convert to fraction form
    2,259.10/3,117.67 = 1,264.36/x
  3. Step 3: Cross multiply
    2,259.10x = 3,117.67 × 1,264.36
  4. Step 4: Simplify right side
    2,259.10x = 3,941,856.58
  5. Step 5: Solve for x
    x = 3,941,856.58/2,259.10
  6. Step 6: Final answer
    x = 1,744.88

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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.