Home / 2,259.18-3,117.62-1,264.47

Finding the Fourth Proportional to 2,259.18, 3,117.62 and 1,264.47

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Solution

The fourth proportional to 2,259.18, 3,117.62 and 1,264.47 is: 1,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.18 : 3,117.62 = 1,264.47 : x
  2. Step 2: Convert to fraction form
    2,259.18/3,117.62 = 1,264.47/x
  3. Step 3: Cross multiply
    2,259.18x = 3,117.62 × 1,264.47
  4. Step 4: Simplify right side
    2,259.18x = 3,942,130.64
  5. Step 5: Solve for x
    x = 3,942,130.64/2,259.18
  6. Step 6: Final answer
    x = 1,744.94

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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.