Home / 3,154.12-4,723.96-1,764.40

Finding the Fourth Proportional to 3,154.12, 4,723.96 and 1,764.40

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Solution

The fourth proportional to 3,154.12, 4,723.96 and 1,764.40 is: 2,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.12 : 4,723.96 = 1,764.40 : x
  2. Step 2: Convert to fraction form
    3,154.12/4,723.96 = 1,764.40/x
  3. Step 3: Cross multiply
    3,154.12x = 4,723.96 × 1,764.40
  4. Step 4: Simplify right side
    3,154.12x = 8,334,955.02
  5. Step 5: Solve for x
    x = 8,334,955.02/3,154.12
  6. Step 6: Final answer
    x = 2,642.56

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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.