Home / 2,259.45-3,117.87-1,264.50

Finding the Fourth Proportional to 2,259.45, 3,117.87 and 1,264.50

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Solution

The fourth proportional to 2,259.45, 3,117.87 and 1,264.50 is: 1,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.45 : 3,117.87 = 1,264.50 : x
  2. Step 2: Convert to fraction form
    2,259.45/3,117.87 = 1,264.50/x
  3. Step 3: Cross multiply
    2,259.45x = 3,117.87 × 1,264.50
  4. Step 4: Simplify right side
    2,259.45x = 3,942,546.62
  5. Step 5: Solve for x
    x = 3,942,546.62/2,259.45
  6. Step 6: Final answer
    x = 1,744.91

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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.