Home / 3,137.08-4,327.66-2,075.26

Finding the Fourth Proportional to 3,137.08, 4,327.66 and 2,075.26

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Solution

The fourth proportional to 3,137.08, 4,327.66 and 2,075.26 is: 2,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.08 : 4,327.66 = 2,075.26 : x
  2. Step 2: Convert to fraction form
    3,137.08/4,327.66 = 2,075.26/x
  3. Step 3: Cross multiply
    3,137.08x = 4,327.66 × 2,075.26
  4. Step 4: Simplify right side
    3,137.08x = 8,981,019.69
  5. Step 5: Solve for x
    x = 8,981,019.69/3,137.08
  6. Step 6: Final answer
    x = 2,862.86

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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.