Home / 2,869.68-3,962.04-2,205.36

Finding the Fourth Proportional to 2,869.68, 3,962.04 and 2,205.36

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Solution

The fourth proportional to 2,869.68, 3,962.04 and 2,205.36 is: 3,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.68 : 3,962.04 = 2,205.36 : x
  2. Step 2: Convert to fraction form
    2,869.68/3,962.04 = 2,205.36/x
  3. Step 3: Cross multiply
    2,869.68x = 3,962.04 × 2,205.36
  4. Step 4: Simplify right side
    2,869.68x = 8,737,724.53
  5. Step 5: Solve for x
    x = 8,737,724.53/2,869.68
  6. Step 6: Final answer
    x = 3,044.84

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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.