Home / 3,578.64-5,367.35-946.18

Finding the Fourth Proportional to 3,578.64, 5,367.35 and 946.18

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Solution

The fourth proportional to 3,578.64, 5,367.35 and 946.18 is: 1,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.64 : 5,367.35 = 946.18 : x
  2. Step 2: Convert to fraction form
    3,578.64/5,367.35 = 946.18/x
  3. Step 3: Cross multiply
    3,578.64x = 5,367.35 × 946.18
  4. Step 4: Simplify right side
    3,578.64x = 5,078,458.11
  5. Step 5: Solve for x
    x = 5,078,458.11/3,578.64
  6. Step 6: Final answer
    x = 1,419.10

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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.