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Finding the Fourth Proportional to 3,085, 4,628.22 and 1,033

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Solution

The fourth proportional to 3,085, 4,628.22 and 1,033 is: 1,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085 : 4,628.22 = 1,033 : x
  2. Step 2: Convert to fraction form
    3,085/4,628.22 = 1,033/x
  3. Step 3: Cross multiply
    3,085x = 4,628.22 × 1,033
  4. Step 4: Simplify right side
    3,085x = 4,780,951.26
  5. Step 5: Solve for x
    x = 4,780,951.26/3,085
  6. Step 6: Final answer
    x = 1,549.74

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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.