Home / 1,258.90-1,883.67-1,104.10

Finding the Fourth Proportional to 1,258.90, 1,883.67 and 1,104.10

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Solution

The fourth proportional to 1,258.90, 1,883.67 and 1,104.10 is: 1,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.90 : 1,883.67 = 1,104.10 : x
  2. Step 2: Convert to fraction form
    1,258.90/1,883.67 = 1,104.10/x
  3. Step 3: Cross multiply
    1,258.90x = 1,883.67 × 1,104.10
  4. Step 4: Simplify right side
    1,258.90x = 2,079,760.05
  5. Step 5: Solve for x
    x = 2,079,760.05/1,258.90
  6. Step 6: Final answer
    x = 1,652.05

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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.