Home / 2,205.29-3,043.08-1,261.10

Finding the Fourth Proportional to 2,205.29, 3,043.08 and 1,261.10

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Solution

The fourth proportional to 2,205.29, 3,043.08 and 1,261.10 is: 1,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.29 : 3,043.08 = 1,261.10 : x
  2. Step 2: Convert to fraction form
    2,205.29/3,043.08 = 1,261.10/x
  3. Step 3: Cross multiply
    2,205.29x = 3,043.08 × 1,261.10
  4. Step 4: Simplify right side
    2,205.29x = 3,837,612.97
  5. Step 5: Solve for x
    x = 3,837,612.97/2,205.29
  6. Step 6: Final answer
    x = 1,740.19

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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.