Home / 2,206.88-3,023.45-2,123.86

Finding the Fourth Proportional to 2,206.88, 3,023.45 and 2,123.86

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Solution

The fourth proportional to 2,206.88, 3,023.45 and 2,123.86 is: 2,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.88 : 3,023.45 = 2,123.86 : x
  2. Step 2: Convert to fraction form
    2,206.88/3,023.45 = 2,123.86/x
  3. Step 3: Cross multiply
    2,206.88x = 3,023.45 × 2,123.86
  4. Step 4: Simplify right side
    2,206.88x = 6,421,384.52
  5. Step 5: Solve for x
    x = 6,421,384.52/2,206.88
  6. Step 6: Final answer
    x = 2,909.71

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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.