Home / 3,669.34-5,062.98-2,178.58

Finding the Fourth Proportional to 3,669.34, 5,062.98 and 2,178.58

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Solution

The fourth proportional to 3,669.34, 5,062.98 and 2,178.58 is: 3,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.34 : 5,062.98 = 2,178.58 : x
  2. Step 2: Convert to fraction form
    3,669.34/5,062.98 = 2,178.58/x
  3. Step 3: Cross multiply
    3,669.34x = 5,062.98 × 2,178.58
  4. Step 4: Simplify right side
    3,669.34x = 11,030,106.97
  5. Step 5: Solve for x
    x = 11,030,106.97/3,669.34
  6. Step 6: Final answer
    x = 3,006.02

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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.