Home / 3,175.49-4,382.21-1,849.32

Finding the Fourth Proportional to 3,175.49, 4,382.21 and 1,849.32

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Solution

The fourth proportional to 3,175.49, 4,382.21 and 1,849.32 is: 2,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.49 : 4,382.21 = 1,849.32 : x
  2. Step 2: Convert to fraction form
    3,175.49/4,382.21 = 1,849.32/x
  3. Step 3: Cross multiply
    3,175.49x = 4,382.21 × 1,849.32
  4. Step 4: Simplify right side
    3,175.49x = 8,104,108.60
  5. Step 5: Solve for x
    x = 8,104,108.60/3,175.49
  6. Step 6: Final answer
    x = 2,552.08

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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.