Home / 2,421.06-3,337.11-1,633.74

Finding the Fourth Proportional to 2,421.06, 3,337.11 and 1,633.74

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Solution

The fourth proportional to 2,421.06, 3,337.11 and 1,633.74 is: 2,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.06 : 3,337.11 = 1,633.74 : x
  2. Step 2: Convert to fraction form
    2,421.06/3,337.11 = 1,633.74/x
  3. Step 3: Cross multiply
    2,421.06x = 3,337.11 × 1,633.74
  4. Step 4: Simplify right side
    2,421.06x = 5,451,970.09
  5. Step 5: Solve for x
    x = 5,451,970.09/2,421.06
  6. Step 6: Final answer
    x = 2,251.89

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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.