Home / 3,207.49-4,810.96-1,015.90

Finding the Fourth Proportional to 3,207.49, 4,810.96 and 1,015.90

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Solution

The fourth proportional to 3,207.49, 4,810.96 and 1,015.90 is: 1,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.49 : 4,810.96 = 1,015.90 : x
  2. Step 2: Convert to fraction form
    3,207.49/4,810.96 = 1,015.90/x
  3. Step 3: Cross multiply
    3,207.49x = 4,810.96 × 1,015.90
  4. Step 4: Simplify right side
    3,207.49x = 4,887,443.51
  5. Step 5: Solve for x
    x = 4,887,443.51/3,207.49
  6. Step 6: Final answer
    x = 1,523.76

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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.