Home / 3,338.83-5,011.25-1,780.13

Finding the Fourth Proportional to 3,338.83, 5,011.25 and 1,780.13

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Solution

The fourth proportional to 3,338.83, 5,011.25 and 1,780.13 is: 2,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.83 : 5,011.25 = 1,780.13 : x
  2. Step 2: Convert to fraction form
    3,338.83/5,011.25 = 1,780.13/x
  3. Step 3: Cross multiply
    3,338.83x = 5,011.25 × 1,780.13
  4. Step 4: Simplify right side
    3,338.83x = 8,920,676.46
  5. Step 5: Solve for x
    x = 8,920,676.46/3,338.83
  6. Step 6: Final answer
    x = 2,671.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.