Home / 2,578.30-3,866.64-1,483.18

Finding the Fourth Proportional to 2,578.30, 3,866.64 and 1,483.18

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Solution

The fourth proportional to 2,578.30, 3,866.64 and 1,483.18 is: 2,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.30 : 3,866.64 = 1,483.18 : x
  2. Step 2: Convert to fraction form
    2,578.30/3,866.64 = 1,483.18/x
  3. Step 3: Cross multiply
    2,578.30x = 3,866.64 × 1,483.18
  4. Step 4: Simplify right side
    2,578.30x = 5,734,923.12
  5. Step 5: Solve for x
    x = 5,734,923.12/2,578.30
  6. Step 6: Final answer
    x = 2,224.30

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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.