Home / 2,896.90-4,345.35-949.30

Finding the Fourth Proportional to 2,896.90, 4,345.35 and 949.30

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Solution

The fourth proportional to 2,896.90, 4,345.35 and 949.30 is: 1,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.90 : 4,345.35 = 949.30 : x
  2. Step 2: Convert to fraction form
    2,896.90/4,345.35 = 949.30/x
  3. Step 3: Cross multiply
    2,896.90x = 4,345.35 × 949.30
  4. Step 4: Simplify right side
    2,896.90x = 4,125,040.76
  5. Step 5: Solve for x
    x = 4,125,040.76/2,896.90
  6. Step 6: Final answer
    x = 1,423.95

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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.