Home / 3,207.24-4,807.66-1,538.28

Finding the Fourth Proportional to 3,207.24, 4,807.66 and 1,538.28

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Solution

The fourth proportional to 3,207.24, 4,807.66 and 1,538.28 is: 2,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.24 : 4,807.66 = 1,538.28 : x
  2. Step 2: Convert to fraction form
    3,207.24/4,807.66 = 1,538.28/x
  3. Step 3: Cross multiply
    3,207.24x = 4,807.66 × 1,538.28
  4. Step 4: Simplify right side
    3,207.24x = 7,395,527.22
  5. Step 5: Solve for x
    x = 7,395,527.22/3,207.24
  6. Step 6: Final answer
    x = 2,305.89

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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.