Home / 2,264.87-3,398.28-1,225.60

Finding the Fourth Proportional to 2,264.87, 3,398.28 and 1,225.60

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Solution

The fourth proportional to 2,264.87, 3,398.28 and 1,225.60 is: 1,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.87 : 3,398.28 = 1,225.60 : x
  2. Step 2: Convert to fraction form
    2,264.87/3,398.28 = 1,225.60/x
  3. Step 3: Cross multiply
    2,264.87x = 3,398.28 × 1,225.60
  4. Step 4: Simplify right side
    2,264.87x = 4,164,931.97
  5. Step 5: Solve for x
    x = 4,164,931.97/2,264.87
  6. Step 6: Final answer
    x = 1,838.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.