Home / 3,669.60-5,064.84-2,177.43

Finding the Fourth Proportional to 3,669.60, 5,064.84 and 2,177.43

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Solution

The fourth proportional to 3,669.60, 5,064.84 and 2,177.43 is: 3,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.60 : 5,064.84 = 2,177.43 : x
  2. Step 2: Convert to fraction form
    3,669.60/5,064.84 = 2,177.43/x
  3. Step 3: Cross multiply
    3,669.60x = 5,064.84 × 2,177.43
  4. Step 4: Simplify right side
    3,669.60x = 11,028,347.12
  5. Step 5: Solve for x
    x = 11,028,347.12/3,669.60
  6. Step 6: Final answer
    x = 3,005.32

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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.