Home / 2,808.93-4,217.04-2,160.12

Finding the Fourth Proportional to 2,808.93, 4,217.04 and 2,160.12

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Solution

The fourth proportional to 2,808.93, 4,217.04 and 2,160.12 is: 3,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.93 : 4,217.04 = 2,160.12 : x
  2. Step 2: Convert to fraction form
    2,808.93/4,217.04 = 2,160.12/x
  3. Step 3: Cross multiply
    2,808.93x = 4,217.04 × 2,160.12
  4. Step 4: Simplify right side
    2,808.93x = 9,109,312.44
  5. Step 5: Solve for x
    x = 9,109,312.44/2,808.93
  6. Step 6: Final answer
    x = 3,242.98

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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.