Home / 4,189.06-5,779.42-2,931.54

Finding the Fourth Proportional to 4,189.06, 5,779.42 and 2,931.54

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Solution

The fourth proportional to 4,189.06, 5,779.42 and 2,931.54 is: 4,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.06 : 5,779.42 = 2,931.54 : x
  2. Step 2: Convert to fraction form
    4,189.06/5,779.42 = 2,931.54/x
  3. Step 3: Cross multiply
    4,189.06x = 5,779.42 × 2,931.54
  4. Step 4: Simplify right side
    4,189.06x = 16,942,600.91
  5. Step 5: Solve for x
    x = 16,942,600.91/4,189.06
  6. Step 6: Final answer
    x = 4,044.49

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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.