Home / 2,239.11-3,089.64-1,244.40

Finding the Fourth Proportional to 2,239.11, 3,089.64 and 1,244.40

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Solution

The fourth proportional to 2,239.11, 3,089.64 and 1,244.40 is: 1,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.11 : 3,089.64 = 1,244.40 : x
  2. Step 2: Convert to fraction form
    2,239.11/3,089.64 = 1,244.40/x
  3. Step 3: Cross multiply
    2,239.11x = 3,089.64 × 1,244.40
  4. Step 4: Simplify right side
    2,239.11x = 3,844,748.02
  5. Step 5: Solve for x
    x = 3,844,748.02/2,239.11
  6. Step 6: Final answer
    x = 1,717.09

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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.