Home / 3,184.70-4,774.33-1,209.23

Finding the Fourth Proportional to 3,184.70, 4,774.33 and 1,209.23

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Solution

The fourth proportional to 3,184.70, 4,774.33 and 1,209.23 is: 1,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.70 : 4,774.33 = 1,209.23 : x
  2. Step 2: Convert to fraction form
    3,184.70/4,774.33 = 1,209.23/x
  3. Step 3: Cross multiply
    3,184.70x = 4,774.33 × 1,209.23
  4. Step 4: Simplify right side
    3,184.70x = 5,773,233.15
  5. Step 5: Solve for x
    x = 5,773,233.15/3,184.70
  6. Step 6: Final answer
    x = 1,812.80

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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.