Home / 2,209.03-3,048.77-1,265.11

Finding the Fourth Proportional to 2,209.03, 3,048.77 and 1,265.11

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Solution

The fourth proportional to 2,209.03, 3,048.77 and 1,265.11 is: 1,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.03 : 3,048.77 = 1,265.11 : x
  2. Step 2: Convert to fraction form
    2,209.03/3,048.77 = 1,265.11/x
  3. Step 3: Cross multiply
    2,209.03x = 3,048.77 × 1,265.11
  4. Step 4: Simplify right side
    2,209.03x = 3,857,029.41
  5. Step 5: Solve for x
    x = 3,857,029.41/2,209.03
  6. Step 6: Final answer
    x = 1,746.03

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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.