Home / 3,669.84-5,064.39-2,178.50

Finding the Fourth Proportional to 3,669.84, 5,064.39 and 2,178.50

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Solution

The fourth proportional to 3,669.84, 5,064.39 and 2,178.50 is: 3,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.84 : 5,064.39 = 2,178.50 : x
  2. Step 2: Convert to fraction form
    3,669.84/5,064.39 = 2,178.50/x
  3. Step 3: Cross multiply
    3,669.84x = 5,064.39 × 2,178.50
  4. Step 4: Simplify right side
    3,669.84x = 11,032,748.29
  5. Step 5: Solve for x
    x = 11,032,748.29/3,669.84
  6. Step 6: Final answer
    x = 3,006.33

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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.