Home / 3,169.02-4,374.45-2,836.83

Finding the Fourth Proportional to 3,169.02, 4,374.45 and 2,836.83

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Solution

The fourth proportional to 3,169.02, 4,374.45 and 2,836.83 is: 3,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.02 : 4,374.45 = 2,836.83 : x
  2. Step 2: Convert to fraction form
    3,169.02/4,374.45 = 2,836.83/x
  3. Step 3: Cross multiply
    3,169.02x = 4,374.45 × 2,836.83
  4. Step 4: Simplify right side
    3,169.02x = 12,409,570.99
  5. Step 5: Solve for x
    x = 12,409,570.99/3,169.02
  6. Step 6: Final answer
    x = 3,915.90

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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.