Home / 2,849.24-3,934.35-1,788.77

Finding the Fourth Proportional to 2,849.24, 3,934.35 and 1,788.77

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Solution

The fourth proportional to 2,849.24, 3,934.35 and 1,788.77 is: 2,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.24 : 3,934.35 = 1,788.77 : x
  2. Step 2: Convert to fraction form
    2,849.24/3,934.35 = 1,788.77/x
  3. Step 3: Cross multiply
    2,849.24x = 3,934.35 × 1,788.77
  4. Step 4: Simplify right side
    2,849.24x = 7,037,647.25
  5. Step 5: Solve for x
    x = 7,037,647.25/2,849.24
  6. Step 6: Final answer
    x = 2,470.01

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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.