Home / 2,222.63-3,044.97-2,139.54

Finding the Fourth Proportional to 2,222.63, 3,044.97 and 2,139.54

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Solution

The fourth proportional to 2,222.63, 3,044.97 and 2,139.54 is: 2,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.63 : 3,044.97 = 2,139.54 : x
  2. Step 2: Convert to fraction form
    2,222.63/3,044.97 = 2,139.54/x
  3. Step 3: Cross multiply
    2,222.63x = 3,044.97 × 2,139.54
  4. Step 4: Simplify right side
    2,222.63x = 6,514,835.11
  5. Step 5: Solve for x
    x = 6,514,835.11/2,222.63
  6. Step 6: Final answer
    x = 2,931.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.