Home / 3,686.75-5,525.51-2,903.66

Finding the Fourth Proportional to 3,686.75, 5,525.51 and 2,903.66

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Solution

The fourth proportional to 3,686.75, 5,525.51 and 2,903.66 is: 4,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.75 : 5,525.51 = 2,903.66 : x
  2. Step 2: Convert to fraction form
    3,686.75/5,525.51 = 2,903.66/x
  3. Step 3: Cross multiply
    3,686.75x = 5,525.51 × 2,903.66
  4. Step 4: Simplify right side
    3,686.75x = 16,044,207.60
  5. Step 5: Solve for x
    x = 16,044,207.60/3,686.75
  6. Step 6: Final answer
    x = 4,351.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.