Home / 2,209.02-3,048.21-1,277.52

Finding the Fourth Proportional to 2,209.02, 3,048.21 and 1,277.52

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Solution

The fourth proportional to 2,209.02, 3,048.21 and 1,277.52 is: 1,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.02 : 3,048.21 = 1,277.52 : x
  2. Step 2: Convert to fraction form
    2,209.02/3,048.21 = 1,277.52/x
  3. Step 3: Cross multiply
    2,209.02x = 3,048.21 × 1,277.52
  4. Step 4: Simplify right side
    2,209.02x = 3,894,149.24
  5. Step 5: Solve for x
    x = 3,894,149.24/2,209.02
  6. Step 6: Final answer
    x = 1,762.84

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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.