Home / 3,872.09-5,343.51-2,193.47

Finding the Fourth Proportional to 3,872.09, 5,343.51 and 2,193.47

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Solution

The fourth proportional to 3,872.09, 5,343.51 and 2,193.47 is: 3,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.09 : 5,343.51 = 2,193.47 : x
  2. Step 2: Convert to fraction form
    3,872.09/5,343.51 = 2,193.47/x
  3. Step 3: Cross multiply
    3,872.09x = 5,343.51 × 2,193.47
  4. Step 4: Simplify right side
    3,872.09x = 11,720,802.16
  5. Step 5: Solve for x
    x = 11,720,802.16/3,872.09
  6. Step 6: Final answer
    x = 3,027.00

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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.