Home / 2,922.84-4,036.14-2,176.52

Finding the Fourth Proportional to 2,922.84, 4,036.14 and 2,176.52

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Solution

The fourth proportional to 2,922.84, 4,036.14 and 2,176.52 is: 3,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.84 : 4,036.14 = 2,176.52 : x
  2. Step 2: Convert to fraction form
    2,922.84/4,036.14 = 2,176.52/x
  3. Step 3: Cross multiply
    2,922.84x = 4,036.14 × 2,176.52
  4. Step 4: Simplify right side
    2,922.84x = 8,784,739.43
  5. Step 5: Solve for x
    x = 8,784,739.43/2,922.84
  6. Step 6: Final answer
    x = 3,005.55

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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.