Home / 3,385.09-4,671.60-1,892.92

Finding the Fourth Proportional to 3,385.09, 4,671.60 and 1,892.92

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Solution

The fourth proportional to 3,385.09, 4,671.60 and 1,892.92 is: 2,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.09 : 4,671.60 = 1,892.92 : x
  2. Step 2: Convert to fraction form
    3,385.09/4,671.60 = 1,892.92/x
  3. Step 3: Cross multiply
    3,385.09x = 4,671.60 × 1,892.92
  4. Step 4: Simplify right side
    3,385.09x = 8,842,960.38
  5. Step 5: Solve for x
    x = 8,842,960.38/3,385.09
  6. Step 6: Final answer
    x = 2,612.33

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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.