Home / 2,637.11-3,950.79-1,904.87

Finding the Fourth Proportional to 2,637.11, 3,950.79 and 1,904.87

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Solution

The fourth proportional to 2,637.11, 3,950.79 and 1,904.87 is: 2,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.11 : 3,950.79 = 1,904.87 : x
  2. Step 2: Convert to fraction form
    2,637.11/3,950.79 = 1,904.87/x
  3. Step 3: Cross multiply
    2,637.11x = 3,950.79 × 1,904.87
  4. Step 4: Simplify right side
    2,637.11x = 7,525,721.59
  5. Step 5: Solve for x
    x = 7,525,721.59/2,637.11
  6. Step 6: Final answer
    x = 2,853.78

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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.