Home / 3,046.39-4,203.72-1,720.02

Finding the Fourth Proportional to 3,046.39, 4,203.72 and 1,720.02

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Solution

The fourth proportional to 3,046.39, 4,203.72 and 1,720.02 is: 2,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.39 : 4,203.72 = 1,720.02 : x
  2. Step 2: Convert to fraction form
    3,046.39/4,203.72 = 1,720.02/x
  3. Step 3: Cross multiply
    3,046.39x = 4,203.72 × 1,720.02
  4. Step 4: Simplify right side
    3,046.39x = 7,230,482.47
  5. Step 5: Solve for x
    x = 7,230,482.47/3,046.39
  6. Step 6: Final answer
    x = 2,373.46

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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.