Home / 3,687.40-5,525.34-1,950.76

Finding the Fourth Proportional to 3,687.40, 5,525.34 and 1,950.76

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Solution

The fourth proportional to 3,687.40, 5,525.34 and 1,950.76 is: 2,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.40 : 5,525.34 = 1,950.76 : x
  2. Step 2: Convert to fraction form
    3,687.40/5,525.34 = 1,950.76/x
  3. Step 3: Cross multiply
    3,687.40x = 5,525.34 × 1,950.76
  4. Step 4: Simplify right side
    3,687.40x = 10,778,612.26
  5. Step 5: Solve for x
    x = 10,778,612.26/3,687.40
  6. Step 6: Final answer
    x = 2,923.09

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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.