Home / 2,578.14-3,867.16-630.35

Finding the Fourth Proportional to 2,578.14, 3,867.16 and 630.35

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Solution

The fourth proportional to 2,578.14, 3,867.16 and 630.35 is: 945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.14 : 3,867.16 = 630.35 : x
  2. Step 2: Convert to fraction form
    2,578.14/3,867.16 = 630.35/x
  3. Step 3: Cross multiply
    2,578.14x = 3,867.16 × 630.35
  4. Step 4: Simplify right side
    2,578.14x = 2,437,646.55
  5. Step 5: Solve for x
    x = 2,437,646.55/2,578.14
  6. Step 6: Final answer
    x = 945.50

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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.