Home / 3,112.39-4,666.12-1,551.56

Finding the Fourth Proportional to 3,112.39, 4,666.12 and 1,551.56

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Solution

The fourth proportional to 3,112.39, 4,666.12 and 1,551.56 is: 2,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.39 : 4,666.12 = 1,551.56 : x
  2. Step 2: Convert to fraction form
    3,112.39/4,666.12 = 1,551.56/x
  3. Step 3: Cross multiply
    3,112.39x = 4,666.12 × 1,551.56
  4. Step 4: Simplify right side
    3,112.39x = 7,239,737.94
  5. Step 5: Solve for x
    x = 7,239,737.94/3,112.39
  6. Step 6: Final answer
    x = 2,326.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.