Home / 3,238.02-4,468.55-1,821.71

Finding the Fourth Proportional to 3,238.02, 4,468.55 and 1,821.71

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Solution

The fourth proportional to 3,238.02, 4,468.55 and 1,821.71 is: 2,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.02 : 4,468.55 = 1,821.71 : x
  2. Step 2: Convert to fraction form
    3,238.02/4,468.55 = 1,821.71/x
  3. Step 3: Cross multiply
    3,238.02x = 4,468.55 × 1,821.71
  4. Step 4: Simplify right side
    3,238.02x = 8,140,404.28
  5. Step 5: Solve for x
    x = 8,140,404.28/3,238.02
  6. Step 6: Final answer
    x = 2,514.01

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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.