Home / 3,669.74-5,064.89-2,178.48

Finding the Fourth Proportional to 3,669.74, 5,064.89 and 2,178.48

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Solution

The fourth proportional to 3,669.74, 5,064.89 and 2,178.48 is: 3,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.74 : 5,064.89 = 2,178.48 : x
  2. Step 2: Convert to fraction form
    3,669.74/5,064.89 = 2,178.48/x
  3. Step 3: Cross multiply
    3,669.74x = 5,064.89 × 2,178.48
  4. Step 4: Simplify right side
    3,669.74x = 11,033,761.57
  5. Step 5: Solve for x
    x = 11,033,761.57/3,669.74
  6. Step 6: Final answer
    x = 3,006.69

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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.