Home / 2,860.51-3,946.11-1,799.59

Finding the Fourth Proportional to 2,860.51, 3,946.11 and 1,799.59

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Solution

The fourth proportional to 2,860.51, 3,946.11 and 1,799.59 is: 2,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.51 : 3,946.11 = 1,799.59 : x
  2. Step 2: Convert to fraction form
    2,860.51/3,946.11 = 1,799.59/x
  3. Step 3: Cross multiply
    2,860.51x = 3,946.11 × 1,799.59
  4. Step 4: Simplify right side
    2,860.51x = 7,101,380.09
  5. Step 5: Solve for x
    x = 7,101,380.09/2,860.51
  6. Step 6: Final answer
    x = 2,482.56

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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.