Home / 2,727.02-4,084.05-2,106.20

Finding the Fourth Proportional to 2,727.02, 4,084.05 and 2,106.20

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Solution

The fourth proportional to 2,727.02, 4,084.05 and 2,106.20 is: 3,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.02 : 4,084.05 = 2,106.20 : x
  2. Step 2: Convert to fraction form
    2,727.02/4,084.05 = 2,106.20/x
  3. Step 3: Cross multiply
    2,727.02x = 4,084.05 × 2,106.20
  4. Step 4: Simplify right side
    2,727.02x = 8,601,826.11
  5. Step 5: Solve for x
    x = 8,601,826.11/2,727.02
  6. Step 6: Final answer
    x = 3,154.30

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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.