Home / 2,937.87-4,053.83-1,678.73

Finding the Fourth Proportional to 2,937.87, 4,053.83 and 1,678.73

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Solution

The fourth proportional to 2,937.87, 4,053.83 and 1,678.73 is: 2,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.87 : 4,053.83 = 1,678.73 : x
  2. Step 2: Convert to fraction form
    2,937.87/4,053.83 = 1,678.73/x
  3. Step 3: Cross multiply
    2,937.87x = 4,053.83 × 1,678.73
  4. Step 4: Simplify right side
    2,937.87x = 6,805,257.37
  5. Step 5: Solve for x
    x = 6,805,257.37/2,937.87
  6. Step 6: Final answer
    x = 2,316.39

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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.