Home / 3,196.82-4,412.27-1,870.85

Finding the Fourth Proportional to 3,196.82, 4,412.27 and 1,870.85

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Solution

The fourth proportional to 3,196.82, 4,412.27 and 1,870.85 is: 2,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.82 : 4,412.27 = 1,870.85 : x
  2. Step 2: Convert to fraction form
    3,196.82/4,412.27 = 1,870.85/x
  3. Step 3: Cross multiply
    3,196.82x = 4,412.27 × 1,870.85
  4. Step 4: Simplify right side
    3,196.82x = 8,254,695.33
  5. Step 5: Solve for x
    x = 8,254,695.33/3,196.82
  6. Step 6: Final answer
    x = 2,582.16

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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.