Home / 2,378.40-3,565.83-1,144.65

Finding the Fourth Proportional to 2,378.40, 3,565.83 and 1,144.65

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Solution

The fourth proportional to 2,378.40, 3,565.83 and 1,144.65 is: 1,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.40 : 3,565.83 = 1,144.65 : x
  2. Step 2: Convert to fraction form
    2,378.40/3,565.83 = 1,144.65/x
  3. Step 3: Cross multiply
    2,378.40x = 3,565.83 × 1,144.65
  4. Step 4: Simplify right side
    2,378.40x = 4,081,627.31
  5. Step 5: Solve for x
    x = 4,081,627.31/2,378.40
  6. Step 6: Final answer
    x = 1,716.12

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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.