Home / 2,089.44-2,882.12-1,292.55

Finding the Fourth Proportional to 2,089.44, 2,882.12 and 1,292.55

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Solution

The fourth proportional to 2,089.44, 2,882.12 and 1,292.55 is: 1,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.44 : 2,882.12 = 1,292.55 : x
  2. Step 2: Convert to fraction form
    2,089.44/2,882.12 = 1,292.55/x
  3. Step 3: Cross multiply
    2,089.44x = 2,882.12 × 1,292.55
  4. Step 4: Simplify right side
    2,089.44x = 3,725,277.74
  5. Step 5: Solve for x
    x = 3,725,277.74/2,089.44
  6. Step 6: Final answer
    x = 1,782.91

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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.