Home / 1,844.10-2,766.15-1,638.90

Finding the Fourth Proportional to 1,844.10, 2,766.15 and 1,638.90

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Solution

The fourth proportional to 1,844.10, 2,766.15 and 1,638.90 is: 2,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.10 : 2,766.15 = 1,638.90 : x
  2. Step 2: Convert to fraction form
    1,844.10/2,766.15 = 1,638.90/x
  3. Step 3: Cross multiply
    1,844.10x = 2,766.15 × 1,638.90
  4. Step 4: Simplify right side
    1,844.10x = 4,533,443.24
  5. Step 5: Solve for x
    x = 4,533,443.24/1,844.10
  6. Step 6: Final answer
    x = 2,458.35

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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.