Home / 3,119.12-4,304.34-1,702.83

Finding the Fourth Proportional to 3,119.12, 4,304.34 and 1,702.83

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Solution

The fourth proportional to 3,119.12, 4,304.34 and 1,702.83 is: 2,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.12 : 4,304.34 = 1,702.83 : x
  2. Step 2: Convert to fraction form
    3,119.12/4,304.34 = 1,702.83/x
  3. Step 3: Cross multiply
    3,119.12x = 4,304.34 × 1,702.83
  4. Step 4: Simplify right side
    3,119.12x = 7,329,563.32
  5. Step 5: Solve for x
    x = 7,329,563.32/3,119.12
  6. Step 6: Final answer
    x = 2,349.88

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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.