Home / 2,028.42-2,799.30-1,355.04

Finding the Fourth Proportional to 2,028.42, 2,799.30 and 1,355.04

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Solution

The fourth proportional to 2,028.42, 2,799.30 and 1,355.04 is: 1,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.42 : 2,799.30 = 1,355.04 : x
  2. Step 2: Convert to fraction form
    2,028.42/2,799.30 = 1,355.04/x
  3. Step 3: Cross multiply
    2,028.42x = 2,799.30 × 1,355.04
  4. Step 4: Simplify right side
    2,028.42x = 3,793,163.47
  5. Step 5: Solve for x
    x = 3,793,163.47/2,028.42
  6. Step 6: Final answer
    x = 1,870.01

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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.