Home / 3,544.40-5,315.06-1,078.65

Finding the Fourth Proportional to 3,544.40, 5,315.06 and 1,078.65

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Solution

The fourth proportional to 3,544.40, 5,315.06 and 1,078.65 is: 1,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.40 : 5,315.06 = 1,078.65 : x
  2. Step 2: Convert to fraction form
    3,544.40/5,315.06 = 1,078.65/x
  3. Step 3: Cross multiply
    3,544.40x = 5,315.06 × 1,078.65
  4. Step 4: Simplify right side
    3,544.40x = 5,733,089.47
  5. Step 5: Solve for x
    x = 5,733,089.47/3,544.40
  6. Step 6: Final answer
    x = 1,617.51

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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.