Home / 3,818.69-5,272.36-2,385.24

Finding the Fourth Proportional to 3,818.69, 5,272.36 and 2,385.24

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Solution

The fourth proportional to 3,818.69, 5,272.36 and 2,385.24 is: 3,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.69 : 5,272.36 = 2,385.24 : x
  2. Step 2: Convert to fraction form
    3,818.69/5,272.36 = 2,385.24/x
  3. Step 3: Cross multiply
    3,818.69x = 5,272.36 × 2,385.24
  4. Step 4: Simplify right side
    3,818.69x = 12,575,832.04
  5. Step 5: Solve for x
    x = 12,575,832.04/3,818.69
  6. Step 6: Final answer
    x = 3,293.23

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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.