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Finding the Fourth Proportional to 2,863.55, 4,293.30 and 1,304.30

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Solution

The fourth proportional to 2,863.55, 4,293.30 and 1,304.30 is: 1,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.55 : 4,293.30 = 1,304.30 : x
  2. Step 2: Convert to fraction form
    2,863.55/4,293.30 = 1,304.30/x
  3. Step 3: Cross multiply
    2,863.55x = 4,293.30 × 1,304.30
  4. Step 4: Simplify right side
    2,863.55x = 5,599,751.19
  5. Step 5: Solve for x
    x = 5,599,751.19/2,863.55
  6. Step 6: Final answer
    x = 1,955.53

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1.5x scale

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.