Home / 2,258.25-3,386.80-614.71

Finding the Fourth Proportional to 2,258.25, 3,386.80 and 614.71

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Solution

The fourth proportional to 2,258.25, 3,386.80 and 614.71 is: 921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.25 : 3,386.80 = 614.71 : x
  2. Step 2: Convert to fraction form
    2,258.25/3,386.80 = 614.71/x
  3. Step 3: Cross multiply
    2,258.25x = 3,386.80 × 614.71
  4. Step 4: Simplify right side
    2,258.25x = 2,081,899.83
  5. Step 5: Solve for x
    x = 2,081,899.83/2,258.25
  6. Step 6: Final answer
    x = 921.91

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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.