Home / 2,213.68-3,035.02-2,174.19

Finding the Fourth Proportional to 2,213.68, 3,035.02 and 2,174.19

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Solution

The fourth proportional to 2,213.68, 3,035.02 and 2,174.19 is: 2,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.68 : 3,035.02 = 2,174.19 : x
  2. Step 2: Convert to fraction form
    2,213.68/3,035.02 = 2,174.19/x
  3. Step 3: Cross multiply
    2,213.68x = 3,035.02 × 2,174.19
  4. Step 4: Simplify right side
    2,213.68x = 6,598,714.47
  5. Step 5: Solve for x
    x = 6,598,714.47/2,213.68
  6. Step 6: Final answer
    x = 2,980.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.