Home / 2,259.36-3,117.78-1,264.62

Finding the Fourth Proportional to 2,259.36, 3,117.78 and 1,264.62

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Solution

The fourth proportional to 2,259.36, 3,117.78 and 1,264.62 is: 1,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.36 : 3,117.78 = 1,264.62 : x
  2. Step 2: Convert to fraction form
    2,259.36/3,117.78 = 1,264.62/x
  3. Step 3: Cross multiply
    2,259.36x = 3,117.78 × 1,264.62
  4. Step 4: Simplify right side
    2,259.36x = 3,942,806.94
  5. Step 5: Solve for x
    x = 3,942,806.94/2,259.36
  6. Step 6: Final answer
    x = 1,745.10

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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.