Home / 3,069.18-4,235.85-1,743.31

Finding the Fourth Proportional to 3,069.18, 4,235.85 and 1,743.31

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Solution

The fourth proportional to 3,069.18, 4,235.85 and 1,743.31 is: 2,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.18 : 4,235.85 = 1,743.31 : x
  2. Step 2: Convert to fraction form
    3,069.18/4,235.85 = 1,743.31/x
  3. Step 3: Cross multiply
    3,069.18x = 4,235.85 × 1,743.31
  4. Step 4: Simplify right side
    3,069.18x = 7,384,399.66
  5. Step 5: Solve for x
    x = 7,384,399.66/3,069.18
  6. Step 6: Final answer
    x = 2,405.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.