Home / 2,657.08-3,665.78-1,661.98

Finding the Fourth Proportional to 2,657.08, 3,665.78 and 1,661.98

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Solution

The fourth proportional to 2,657.08, 3,665.78 and 1,661.98 is: 2,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.08 : 3,665.78 = 1,661.98 : x
  2. Step 2: Convert to fraction form
    2,657.08/3,665.78 = 1,661.98/x
  3. Step 3: Cross multiply
    2,657.08x = 3,665.78 × 1,661.98
  4. Step 4: Simplify right side
    2,657.08x = 6,092,453.04
  5. Step 5: Solve for x
    x = 6,092,453.04/2,657.08
  6. Step 6: Final answer
    x = 2,292.91

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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.