Home / 3,212.83-4,434.26-1,869.22

Finding the Fourth Proportional to 3,212.83, 4,434.26 and 1,869.22

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Solution

The fourth proportional to 3,212.83, 4,434.26 and 1,869.22 is: 2,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.83 : 4,434.26 = 1,869.22 : x
  2. Step 2: Convert to fraction form
    3,212.83/4,434.26 = 1,869.22/x
  3. Step 3: Cross multiply
    3,212.83x = 4,434.26 × 1,869.22
  4. Step 4: Simplify right side
    3,212.83x = 8,288,603.67
  5. Step 5: Solve for x
    x = 8,288,603.67/3,212.83
  6. Step 6: Final answer
    x = 2,579.84

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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.