Home / 3,189.88-4,779.48-2,260.94

Finding the Fourth Proportional to 3,189.88, 4,779.48 and 2,260.94

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Solution

The fourth proportional to 3,189.88, 4,779.48 and 2,260.94 is: 3,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.88 : 4,779.48 = 2,260.94 : x
  2. Step 2: Convert to fraction form
    3,189.88/4,779.48 = 2,260.94/x
  3. Step 3: Cross multiply
    3,189.88x = 4,779.48 × 2,260.94
  4. Step 4: Simplify right side
    3,189.88x = 10,806,117.51
  5. Step 5: Solve for x
    x = 10,806,117.51/3,189.88
  6. Step 6: Final answer
    x = 3,387.63

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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.