Home / 3,119.91-4,677.96-1,536.63

Finding the Fourth Proportional to 3,119.91, 4,677.96 and 1,536.63

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Solution

The fourth proportional to 3,119.91, 4,677.96 and 1,536.63 is: 2,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.91 : 4,677.96 = 1,536.63 : x
  2. Step 2: Convert to fraction form
    3,119.91/4,677.96 = 1,536.63/x
  3. Step 3: Cross multiply
    3,119.91x = 4,677.96 × 1,536.63
  4. Step 4: Simplify right side
    3,119.91x = 7,188,293.67
  5. Step 5: Solve for x
    x = 7,188,293.67/3,119.91
  6. Step 6: Final answer
    x = 2,304.01

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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.