Home / 3,887.19-5,365.71-3,001.46

Finding the Fourth Proportional to 3,887.19, 5,365.71 and 3,001.46

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Solution

The fourth proportional to 3,887.19, 5,365.71 and 3,001.46 is: 4,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.19 : 5,365.71 = 3,001.46 : x
  2. Step 2: Convert to fraction form
    3,887.19/5,365.71 = 3,001.46/x
  3. Step 3: Cross multiply
    3,887.19x = 5,365.71 × 3,001.46
  4. Step 4: Simplify right side
    3,887.19x = 16,104,937.11
  5. Step 5: Solve for x
    x = 16,104,937.11/3,887.19
  6. Step 6: Final answer
    x = 4,143.08

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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.