Home / 2,833.18-3,907.80-1,951.12

Finding the Fourth Proportional to 2,833.18, 3,907.80 and 1,951.12

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Solution

The fourth proportional to 2,833.18, 3,907.80 and 1,951.12 is: 2,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.18 : 3,907.80 = 1,951.12 : x
  2. Step 2: Convert to fraction form
    2,833.18/3,907.80 = 1,951.12/x
  3. Step 3: Cross multiply
    2,833.18x = 3,907.80 × 1,951.12
  4. Step 4: Simplify right side
    2,833.18x = 7,624,586.74
  5. Step 5: Solve for x
    x = 7,624,586.74/2,833.18
  6. Step 6: Final answer
    x = 2,691.18

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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.