Home / 2,089.28-3,135.14-935.03

Finding the Fourth Proportional to 2,089.28, 3,135.14 and 935.03

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Solution

The fourth proportional to 2,089.28, 3,135.14 and 935.03 is: 1,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.28 : 3,135.14 = 935.03 : x
  2. Step 2: Convert to fraction form
    2,089.28/3,135.14 = 935.03/x
  3. Step 3: Cross multiply
    2,089.28x = 3,135.14 × 935.03
  4. Step 4: Simplify right side
    2,089.28x = 2,931,449.95
  5. Step 5: Solve for x
    x = 2,931,449.95/2,089.28
  6. Step 6: Final answer
    x = 1,403.09

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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.