Home / 2,904.55-4,356.77-713.19

Finding the Fourth Proportional to 2,904.55, 4,356.77 and 713.19

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Solution

The fourth proportional to 2,904.55, 4,356.77 and 713.19 is: 1,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.55 : 4,356.77 = 713.19 : x
  2. Step 2: Convert to fraction form
    2,904.55/4,356.77 = 713.19/x
  3. Step 3: Cross multiply
    2,904.55x = 4,356.77 × 713.19
  4. Step 4: Simplify right side
    2,904.55x = 3,107,204.80
  5. Step 5: Solve for x
    x = 3,107,204.80/2,904.55
  6. Step 6: Final answer
    x = 1,069.77

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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.