Home / 2,203.04-3,308.68-1,939.59

Finding the Fourth Proportional to 2,203.04, 3,308.68 and 1,939.59

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Solution

The fourth proportional to 2,203.04, 3,308.68 and 1,939.59 is: 2,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.04 : 3,308.68 = 1,939.59 : x
  2. Step 2: Convert to fraction form
    2,203.04/3,308.68 = 1,939.59/x
  3. Step 3: Cross multiply
    2,203.04x = 3,308.68 × 1,939.59
  4. Step 4: Simplify right side
    2,203.04x = 6,417,472.94
  5. Step 5: Solve for x
    x = 6,417,472.94/2,203.04
  6. Step 6: Final answer
    x = 2,913.01

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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.