Home / 2,807.19-4,208.76-1,753.38

Finding the Fourth Proportional to 2,807.19, 4,208.76 and 1,753.38

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Solution

The fourth proportional to 2,807.19, 4,208.76 and 1,753.38 is: 2,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.19 : 4,208.76 = 1,753.38 : x
  2. Step 2: Convert to fraction form
    2,807.19/4,208.76 = 1,753.38/x
  3. Step 3: Cross multiply
    2,807.19x = 4,208.76 × 1,753.38
  4. Step 4: Simplify right side
    2,807.19x = 7,379,555.61
  5. Step 5: Solve for x
    x = 7,379,555.61/2,807.19
  6. Step 6: Final answer
    x = 2,628.81

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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.