Home / 2,193.24-3,291.47-1,646.49

Finding the Fourth Proportional to 2,193.24, 3,291.47 and 1,646.49

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Solution

The fourth proportional to 2,193.24, 3,291.47 and 1,646.49 is: 2,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.24 : 3,291.47 = 1,646.49 : x
  2. Step 2: Convert to fraction form
    2,193.24/3,291.47 = 1,646.49/x
  3. Step 3: Cross multiply
    2,193.24x = 3,291.47 × 1,646.49
  4. Step 4: Simplify right side
    2,193.24x = 5,419,360.10
  5. Step 5: Solve for x
    x = 5,419,360.10/2,193.24
  6. Step 6: Final answer
    x = 2,470.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.