Home / 3,119.25-4,304.65-1,702.96

Finding the Fourth Proportional to 3,119.25, 4,304.65 and 1,702.96

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Solution

The fourth proportional to 3,119.25, 4,304.65 and 1,702.96 is: 2,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.25 : 4,304.65 = 1,702.96 : x
  2. Step 2: Convert to fraction form
    3,119.25/4,304.65 = 1,702.96/x
  3. Step 3: Cross multiply
    3,119.25x = 4,304.65 × 1,702.96
  4. Step 4: Simplify right side
    3,119.25x = 7,330,646.76
  5. Step 5: Solve for x
    x = 7,330,646.76/3,119.25
  6. Step 6: Final answer
    x = 2,350.13

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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.