Home / 2,205.03-3,043.40-1,260.77

Finding the Fourth Proportional to 2,205.03, 3,043.40 and 1,260.77

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Solution

The fourth proportional to 2,205.03, 3,043.40 and 1,260.77 is: 1,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.03 : 3,043.40 = 1,260.77 : x
  2. Step 2: Convert to fraction form
    2,205.03/3,043.40 = 1,260.77/x
  3. Step 3: Cross multiply
    2,205.03x = 3,043.40 × 1,260.77
  4. Step 4: Simplify right side
    2,205.03x = 3,837,028.72
  5. Step 5: Solve for x
    x = 3,837,028.72/2,205.03
  6. Step 6: Final answer
    x = 1,740.13

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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.