Home / 2,259.42-3,117.97-1,264.69

Finding the Fourth Proportional to 2,259.42, 3,117.97 and 1,264.69

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Solution

The fourth proportional to 2,259.42, 3,117.97 and 1,264.69 is: 1,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.42 : 3,117.97 = 1,264.69 : x
  2. Step 2: Convert to fraction form
    2,259.42/3,117.97 = 1,264.69/x
  3. Step 3: Cross multiply
    2,259.42x = 3,117.97 × 1,264.69
  4. Step 4: Simplify right side
    2,259.42x = 3,943,265.48
  5. Step 5: Solve for x
    x = 3,943,265.48/2,259.42
  6. Step 6: Final answer
    x = 1,745.26

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1.5x scale

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.