Home / 3,175.63-4,381.35-2,057.42

Finding the Fourth Proportional to 3,175.63, 4,381.35 and 2,057.42

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Solution

The fourth proportional to 3,175.63, 4,381.35 and 2,057.42 is: 2,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.63 : 4,381.35 = 2,057.42 : x
  2. Step 2: Convert to fraction form
    3,175.63/4,381.35 = 2,057.42/x
  3. Step 3: Cross multiply
    3,175.63x = 4,381.35 × 2,057.42
  4. Step 4: Simplify right side
    3,175.63x = 9,014,277.12
  5. Step 5: Solve for x
    x = 9,014,277.12/3,175.63
  6. Step 6: Final answer
    x = 2,838.58

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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.