Home / 3,046.30-4,203.76-1,720.13

Finding the Fourth Proportional to 3,046.30, 4,203.76 and 1,720.13

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Solution

The fourth proportional to 3,046.30, 4,203.76 and 1,720.13 is: 2,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.30 : 4,203.76 = 1,720.13 : x
  2. Step 2: Convert to fraction form
    3,046.30/4,203.76 = 1,720.13/x
  3. Step 3: Cross multiply
    3,046.30x = 4,203.76 × 1,720.13
  4. Step 4: Simplify right side
    3,046.30x = 7,231,013.69
  5. Step 5: Solve for x
    x = 7,231,013.69/3,046.30
  6. Step 6: Final answer
    x = 2,373.70

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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.