Home / 2,174.23-3,000.56-1,230.07

Finding the Fourth Proportional to 2,174.23, 3,000.56 and 1,230.07

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Solution

The fourth proportional to 2,174.23, 3,000.56 and 1,230.07 is: 1,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.23 : 3,000.56 = 1,230.07 : x
  2. Step 2: Convert to fraction form
    2,174.23/3,000.56 = 1,230.07/x
  3. Step 3: Cross multiply
    2,174.23x = 3,000.56 × 1,230.07
  4. Step 4: Simplify right side
    2,174.23x = 3,690,892.69
  5. Step 5: Solve for x
    x = 3,690,892.69/2,174.23
  6. Step 6: Final answer
    x = 1,697.56

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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.