Home / 2,976.05-4,106.18-1,857.53

Finding the Fourth Proportional to 2,976.05, 4,106.18 and 1,857.53

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Solution

The fourth proportional to 2,976.05, 4,106.18 and 1,857.53 is: 2,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.05 : 4,106.18 = 1,857.53 : x
  2. Step 2: Convert to fraction form
    2,976.05/4,106.18 = 1,857.53/x
  3. Step 3: Cross multiply
    2,976.05x = 4,106.18 × 1,857.53
  4. Step 4: Simplify right side
    2,976.05x = 7,627,352.54
  5. Step 5: Solve for x
    x = 7,627,352.54/2,976.05
  6. Step 6: Final answer
    x = 2,562.91

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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.