Home / 3,025.48-4,177.62-1,908.28

Finding the Fourth Proportional to 3,025.48, 4,177.62 and 1,908.28

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Solution

The fourth proportional to 3,025.48, 4,177.62 and 1,908.28 is: 2,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.48 : 4,177.62 = 1,908.28 : x
  2. Step 2: Convert to fraction form
    3,025.48/4,177.62 = 1,908.28/x
  3. Step 3: Cross multiply
    3,025.48x = 4,177.62 × 1,908.28
  4. Step 4: Simplify right side
    3,025.48x = 7,972,068.69
  5. Step 5: Solve for x
    x = 7,972,068.69/3,025.48
  6. Step 6: Final answer
    x = 2,634.98

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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.