Home / 3,131.52-4,674.42-2,900.26

Finding the Fourth Proportional to 3,131.52, 4,674.42 and 2,900.26

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Solution

The fourth proportional to 3,131.52, 4,674.42 and 2,900.26 is: 4,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.52 : 4,674.42 = 2,900.26 : x
  2. Step 2: Convert to fraction form
    3,131.52/4,674.42 = 2,900.26/x
  3. Step 3: Cross multiply
    3,131.52x = 4,674.42 × 2,900.26
  4. Step 4: Simplify right side
    3,131.52x = 13,557,033.35
  5. Step 5: Solve for x
    x = 13,557,033.35/3,131.52
  6. Step 6: Final answer
    x = 4,329.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.