Home / 3,871.03-5,341.65-2,192.56

Finding the Fourth Proportional to 3,871.03, 5,341.65 and 2,192.56

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Solution

The fourth proportional to 3,871.03, 5,341.65 and 2,192.56 is: 3,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.03 : 5,341.65 = 2,192.56 : x
  2. Step 2: Convert to fraction form
    3,871.03/5,341.65 = 2,192.56/x
  3. Step 3: Cross multiply
    3,871.03x = 5,341.65 × 2,192.56
  4. Step 4: Simplify right side
    3,871.03x = 11,711,888.12
  5. Step 5: Solve for x
    x = 11,711,888.12/3,871.03
  6. Step 6: Final answer
    x = 3,025.52

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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.