Home / 2,927.87-4,040.51-1,601.70

Finding the Fourth Proportional to 2,927.87, 4,040.51 and 1,601.70

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Solution

The fourth proportional to 2,927.87, 4,040.51 and 1,601.70 is: 2,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.87 : 4,040.51 = 1,601.70 : x
  2. Step 2: Convert to fraction form
    2,927.87/4,040.51 = 1,601.70/x
  3. Step 3: Cross multiply
    2,927.87x = 4,040.51 × 1,601.70
  4. Step 4: Simplify right side
    2,927.87x = 6,471,684.87
  5. Step 5: Solve for x
    x = 6,471,684.87/2,927.87
  6. Step 6: Final answer
    x = 2,210.37

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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.