Home / 3,578.20-4,937.30-2,253.68

Finding the Fourth Proportional to 3,578.20, 4,937.30 and 2,253.68

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Solution

The fourth proportional to 3,578.20, 4,937.30 and 2,253.68 is: 3,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.20 : 4,937.30 = 2,253.68 : x
  2. Step 2: Convert to fraction form
    3,578.20/4,937.30 = 2,253.68/x
  3. Step 3: Cross multiply
    3,578.20x = 4,937.30 × 2,253.68
  4. Step 4: Simplify right side
    3,578.20x = 11,127,094.26
  5. Step 5: Solve for x
    x = 11,127,094.26/3,578.20
  6. Step 6: Final answer
    x = 3,109.69

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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.