Home / 2,258.02-3,116.12-1,263.41

Finding the Fourth Proportional to 2,258.02, 3,116.12 and 1,263.41

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Solution

The fourth proportional to 2,258.02, 3,116.12 and 1,263.41 is: 1,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.02 : 3,116.12 = 1,263.41 : x
  2. Step 2: Convert to fraction form
    2,258.02/3,116.12 = 1,263.41/x
  3. Step 3: Cross multiply
    2,258.02x = 3,116.12 × 1,263.41
  4. Step 4: Simplify right side
    2,258.02x = 3,936,937.17
  5. Step 5: Solve for x
    x = 3,936,937.17/2,258.02
  6. Step 6: Final answer
    x = 1,743.54

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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.