Home / 3,150.24-4,723.47-1,690.08

Finding the Fourth Proportional to 3,150.24, 4,723.47 and 1,690.08

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Solution

The fourth proportional to 3,150.24, 4,723.47 and 1,690.08 is: 2,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.24 : 4,723.47 = 1,690.08 : x
  2. Step 2: Convert to fraction form
    3,150.24/4,723.47 = 1,690.08/x
  3. Step 3: Cross multiply
    3,150.24x = 4,723.47 × 1,690.08
  4. Step 4: Simplify right side
    3,150.24x = 7,983,042.18
  5. Step 5: Solve for x
    x = 7,983,042.18/3,150.24
  6. Step 6: Final answer
    x = 2,534.11

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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.