Home / 2,799.29-4,189.96-1,860.08

Finding the Fourth Proportional to 2,799.29, 4,189.96 and 1,860.08

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Solution

The fourth proportional to 2,799.29, 4,189.96 and 1,860.08 is: 2,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.29 : 4,189.96 = 1,860.08 : x
  2. Step 2: Convert to fraction form
    2,799.29/4,189.96 = 1,860.08/x
  3. Step 3: Cross multiply
    2,799.29x = 4,189.96 × 1,860.08
  4. Step 4: Simplify right side
    2,799.29x = 7,793,642.17
  5. Step 5: Solve for x
    x = 7,793,642.17/2,799.29
  6. Step 6: Final answer
    x = 2,784.15

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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.