Home / 3,167.24-4,368.92-1,986.26

Finding the Fourth Proportional to 3,167.24, 4,368.92 and 1,986.26

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Solution

The fourth proportional to 3,167.24, 4,368.92 and 1,986.26 is: 2,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.24 : 4,368.92 = 1,986.26 : x
  2. Step 2: Convert to fraction form
    3,167.24/4,368.92 = 1,986.26/x
  3. Step 3: Cross multiply
    3,167.24x = 4,368.92 × 1,986.26
  4. Step 4: Simplify right side
    3,167.24x = 8,677,779.26
  5. Step 5: Solve for x
    x = 8,677,779.26/3,167.24
  6. Step 6: Final answer
    x = 2,739.86

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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.