Home / 2,209.52-3,048.36-1,277.52

Finding the Fourth Proportional to 2,209.52, 3,048.36 and 1,277.52

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Solution

The fourth proportional to 2,209.52, 3,048.36 and 1,277.52 is: 1,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.52 : 3,048.36 = 1,277.52 : x
  2. Step 2: Convert to fraction form
    2,209.52/3,048.36 = 1,277.52/x
  3. Step 3: Cross multiply
    2,209.52x = 3,048.36 × 1,277.52
  4. Step 4: Simplify right side
    2,209.52x = 3,894,340.87
  5. Step 5: Solve for x
    x = 3,894,340.87/2,209.52
  6. Step 6: Final answer
    x = 1,762.53

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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.