Home / 2,644.04-3,648.77-1,449.05

Finding the Fourth Proportional to 2,644.04, 3,648.77 and 1,449.05

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Solution

The fourth proportional to 2,644.04, 3,648.77 and 1,449.05 is: 1,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.04 : 3,648.77 = 1,449.05 : x
  2. Step 2: Convert to fraction form
    2,644.04/3,648.77 = 1,449.05/x
  3. Step 3: Cross multiply
    2,644.04x = 3,648.77 × 1,449.05
  4. Step 4: Simplify right side
    2,644.04x = 5,287,230.11
  5. Step 5: Solve for x
    x = 5,287,230.11/2,644.04
  6. Step 6: Final answer
    x = 1,999.68

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1.5x scale

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.