Home / 2,621.24-3,607.97-2,174.12

Finding the Fourth Proportional to 2,621.24, 3,607.97 and 2,174.12

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Solution

The fourth proportional to 2,621.24, 3,607.97 and 2,174.12 is: 2,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.24 : 3,607.97 = 2,174.12 : x
  2. Step 2: Convert to fraction form
    2,621.24/3,607.97 = 2,174.12/x
  3. Step 3: Cross multiply
    2,621.24x = 3,607.97 × 2,174.12
  4. Step 4: Simplify right side
    2,621.24x = 7,844,159.74
  5. Step 5: Solve for x
    x = 7,844,159.74/2,621.24
  6. Step 6: Final answer
    x = 2,992.54

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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.