Home / 3,043.72-4,200.32-1,646.47

Finding the Fourth Proportional to 3,043.72, 4,200.32 and 1,646.47

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Solution

The fourth proportional to 3,043.72, 4,200.32 and 1,646.47 is: 2,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.72 : 4,200.32 = 1,646.47 : x
  2. Step 2: Convert to fraction form
    3,043.72/4,200.32 = 1,646.47/x
  3. Step 3: Cross multiply
    3,043.72x = 4,200.32 × 1,646.47
  4. Step 4: Simplify right side
    3,043.72x = 6,915,671.64
  5. Step 5: Solve for x
    x = 6,915,671.64/3,043.72
  6. Step 6: Final answer
    x = 2,272.12

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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.