Home / 2,812.08-4,213.80-1,167.24

Finding the Fourth Proportional to 2,812.08, 4,213.80 and 1,167.24

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Solution

The fourth proportional to 2,812.08, 4,213.80 and 1,167.24 is: 1,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.08 : 4,213.80 = 1,167.24 : x
  2. Step 2: Convert to fraction form
    2,812.08/4,213.80 = 1,167.24/x
  3. Step 3: Cross multiply
    2,812.08x = 4,213.80 × 1,167.24
  4. Step 4: Simplify right side
    2,812.08x = 4,918,515.91
  5. Step 5: Solve for x
    x = 4,918,515.91/2,812.08
  6. Step 6: Final answer
    x = 1,749.07

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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.