Home / 1,860.08-2,791.20-1,799.24

Finding the Fourth Proportional to 1,860.08, 2,791.20 and 1,799.24

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Solution

The fourth proportional to 1,860.08, 2,791.20 and 1,799.24 is: 2,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.08 : 2,791.20 = 1,799.24 : x
  2. Step 2: Convert to fraction form
    1,860.08/2,791.20 = 1,799.24/x
  3. Step 3: Cross multiply
    1,860.08x = 2,791.20 × 1,799.24
  4. Step 4: Simplify right side
    1,860.08x = 5,022,038.69
  5. Step 5: Solve for x
    x = 5,022,038.69/1,860.08
  6. Step 6: Final answer
    x = 2,699.90

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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.