Home / 2,066.40-3,097.44-1,578.24

Finding the Fourth Proportional to 2,066.40, 3,097.44 and 1,578.24

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Solution

The fourth proportional to 2,066.40, 3,097.44 and 1,578.24 is: 2,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.40 : 3,097.44 = 1,578.24 : x
  2. Step 2: Convert to fraction form
    2,066.40/3,097.44 = 1,578.24/x
  3. Step 3: Cross multiply
    2,066.40x = 3,097.44 × 1,578.24
  4. Step 4: Simplify right side
    2,066.40x = 4,888,503.71
  5. Step 5: Solve for x
    x = 4,888,503.71/2,066.40
  6. Step 6: Final answer
    x = 2,365.71

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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.