Home / 3,260.33-4,886.20-1,780.20

Finding the Fourth Proportional to 3,260.33, 4,886.20 and 1,780.20

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Solution

The fourth proportional to 3,260.33, 4,886.20 and 1,780.20 is: 2,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.33 : 4,886.20 = 1,780.20 : x
  2. Step 2: Convert to fraction form
    3,260.33/4,886.20 = 1,780.20/x
  3. Step 3: Cross multiply
    3,260.33x = 4,886.20 × 1,780.20
  4. Step 4: Simplify right side
    3,260.33x = 8,698,424.20
  5. Step 5: Solve for x
    x = 8,698,424.20/3,260.33
  6. Step 6: Final answer
    x = 2,667.96

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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.