Home / 3,617.15-5,425.73-1,308.11

Finding the Fourth Proportional to 3,617.15, 5,425.73 and 1,308.11

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Solution

The fourth proportional to 3,617.15, 5,425.73 and 1,308.11 is: 1,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.15 : 5,425.73 = 1,308.11 : x
  2. Step 2: Convert to fraction form
    3,617.15/5,425.73 = 1,308.11/x
  3. Step 3: Cross multiply
    3,617.15x = 5,425.73 × 1,308.11
  4. Step 4: Simplify right side
    3,617.15x = 7,097,451.67
  5. Step 5: Solve for x
    x = 7,097,451.67/3,617.15
  6. Step 6: Final answer
    x = 1,962.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.