Home / 2,808.72-4,213.08-1,164.15

Finding the Fourth Proportional to 2,808.72, 4,213.08 and 1,164.15

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Solution

The fourth proportional to 2,808.72, 4,213.08 and 1,164.15 is: 1,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.72 : 4,213.08 = 1,164.15 : x
  2. Step 2: Convert to fraction form
    2,808.72/4,213.08 = 1,164.15/x
  3. Step 3: Cross multiply
    2,808.72x = 4,213.08 × 1,164.15
  4. Step 4: Simplify right side
    2,808.72x = 4,904,657.08
  5. Step 5: Solve for x
    x = 4,904,657.08/2,808.72
  6. Step 6: Final answer
    x = 1,746.23

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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.