Home / 3,046.46-4,204.11-1,720.13

Finding the Fourth Proportional to 3,046.46, 4,204.11 and 1,720.13

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Solution

The fourth proportional to 3,046.46, 4,204.11 and 1,720.13 is: 2,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.46 : 4,204.11 = 1,720.13 : x
  2. Step 2: Convert to fraction form
    3,046.46/4,204.11 = 1,720.13/x
  3. Step 3: Cross multiply
    3,046.46x = 4,204.11 × 1,720.13
  4. Step 4: Simplify right side
    3,046.46x = 7,231,594.71
  5. Step 5: Solve for x
    x = 7,231,594.71/3,046.46
  6. Step 6: Final answer
    x = 2,373.77

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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.