Home / 3,857.01-5,324.73-2,970.87

Finding the Fourth Proportional to 3,857.01, 5,324.73 and 2,970.87

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Solution

The fourth proportional to 3,857.01, 5,324.73 and 2,970.87 is: 4,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.01 : 5,324.73 = 2,970.87 : x
  2. Step 2: Convert to fraction form
    3,857.01/5,324.73 = 2,970.87/x
  3. Step 3: Cross multiply
    3,857.01x = 5,324.73 × 2,970.87
  4. Step 4: Simplify right side
    3,857.01x = 15,819,080.62
  5. Step 5: Solve for x
    x = 15,819,080.62/3,857.01
  6. Step 6: Final answer
    x = 4,101.38

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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.