Home / 2,569.22-3,853.59-1,108.10

Finding the Fourth Proportional to 2,569.22, 3,853.59 and 1,108.10

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Solution

The fourth proportional to 2,569.22, 3,853.59 and 1,108.10 is: 1,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.22 : 3,853.59 = 1,108.10 : x
  2. Step 2: Convert to fraction form
    2,569.22/3,853.59 = 1,108.10/x
  3. Step 3: Cross multiply
    2,569.22x = 3,853.59 × 1,108.10
  4. Step 4: Simplify right side
    2,569.22x = 4,270,163.08
  5. Step 5: Solve for x
    x = 4,270,163.08/2,569.22
  6. Step 6: Final answer
    x = 1,662.05

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1.5x scale

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.