Home / 2,158.26-3,239.96-2,070.24

Finding the Fourth Proportional to 2,158.26, 3,239.96 and 2,070.24

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Solution

The fourth proportional to 2,158.26, 3,239.96 and 2,070.24 is: 3,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.26 : 3,239.96 = 2,070.24 : x
  2. Step 2: Convert to fraction form
    2,158.26/3,239.96 = 2,070.24/x
  3. Step 3: Cross multiply
    2,158.26x = 3,239.96 × 2,070.24
  4. Step 4: Simplify right side
    2,158.26x = 6,707,484.44
  5. Step 5: Solve for x
    x = 6,707,484.44/2,158.26
  6. Step 6: Final answer
    x = 3,107.82

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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.