Home / 2,209.29-3,048.35-1,277.25

Finding the Fourth Proportional to 2,209.29, 3,048.35 and 1,277.25

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Solution

The fourth proportional to 2,209.29, 3,048.35 and 1,277.25 is: 1,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.29 : 3,048.35 = 1,277.25 : x
  2. Step 2: Convert to fraction form
    2,209.29/3,048.35 = 1,277.25/x
  3. Step 3: Cross multiply
    2,209.29x = 3,048.35 × 1,277.25
  4. Step 4: Simplify right side
    2,209.29x = 3,893,498.65
  5. Step 5: Solve for x
    x = 3,893,498.65/2,209.29
  6. Step 6: Final answer
    x = 1,762.33

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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.