Home / 3,385.07-4,671.16-1,892.96

Finding the Fourth Proportional to 3,385.07, 4,671.16 and 1,892.96

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Solution

The fourth proportional to 3,385.07, 4,671.16 and 1,892.96 is: 2,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.07 : 4,671.16 = 1,892.96 : x
  2. Step 2: Convert to fraction form
    3,385.07/4,671.16 = 1,892.96/x
  3. Step 3: Cross multiply
    3,385.07x = 4,671.16 × 1,892.96
  4. Step 4: Simplify right side
    3,385.07x = 8,842,319.03
  5. Step 5: Solve for x
    x = 8,842,319.03/3,385.07
  6. Step 6: Final answer
    x = 2,612.15

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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.