Home / 2,174.81-3,001.23-1,180.07

Finding the Fourth Proportional to 2,174.81, 3,001.23 and 1,180.07

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Solution

The fourth proportional to 2,174.81, 3,001.23 and 1,180.07 is: 1,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.81 : 3,001.23 = 1,180.07 : x
  2. Step 2: Convert to fraction form
    2,174.81/3,001.23 = 1,180.07/x
  3. Step 3: Cross multiply
    2,174.81x = 3,001.23 × 1,180.07
  4. Step 4: Simplify right side
    2,174.81x = 3,541,654.42
  5. Step 5: Solve for x
    x = 3,541,654.42/2,174.81
  6. Step 6: Final answer
    x = 1,628.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.