Home / 1,827.33-2,737.50-1,209.21

Finding the Fourth Proportional to 1,827.33, 2,737.50 and 1,209.21

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Solution

The fourth proportional to 1,827.33, 2,737.50 and 1,209.21 is: 1,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.33 : 2,737.50 = 1,209.21 : x
  2. Step 2: Convert to fraction form
    1,827.33/2,737.50 = 1,209.21/x
  3. Step 3: Cross multiply
    1,827.33x = 2,737.50 × 1,209.21
  4. Step 4: Simplify right side
    1,827.33x = 3,310,212.38
  5. Step 5: Solve for x
    x = 3,310,212.38/1,827.33
  6. Step 6: Final answer
    x = 1,811.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.