Home / 3,578.07-4,937.53-2,086.23

Finding the Fourth Proportional to 3,578.07, 4,937.53 and 2,086.23

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Solution

The fourth proportional to 3,578.07, 4,937.53 and 2,086.23 is: 2,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.07 : 4,937.53 = 2,086.23 : x
  2. Step 2: Convert to fraction form
    3,578.07/4,937.53 = 2,086.23/x
  3. Step 3: Cross multiply
    3,578.07x = 4,937.53 × 2,086.23
  4. Step 4: Simplify right side
    3,578.07x = 10,300,823.21
  5. Step 5: Solve for x
    x = 10,300,823.21/3,578.07
  6. Step 6: Final answer
    x = 2,878.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.