Home / 2,309.04-3,190.64-1,644.74

Finding the Fourth Proportional to 2,309.04, 3,190.64 and 1,644.74

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Solution

The fourth proportional to 2,309.04, 3,190.64 and 1,644.74 is: 2,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.04 : 3,190.64 = 1,644.74 : x
  2. Step 2: Convert to fraction form
    2,309.04/3,190.64 = 1,644.74/x
  3. Step 3: Cross multiply
    2,309.04x = 3,190.64 × 1,644.74
  4. Step 4: Simplify right side
    2,309.04x = 5,247,773.23
  5. Step 5: Solve for x
    x = 5,247,773.23/2,309.04
  6. Step 6: Final answer
    x = 2,272.71

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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.