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Finding the Fourth Proportional to 3,260.40, 4,889.08 and 951.44

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Solution

The fourth proportional to 3,260.40, 4,889.08 and 951.44 is: 1,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.40 : 4,889.08 = 951.44 : x
  2. Step 2: Convert to fraction form
    3,260.40/4,889.08 = 951.44/x
  3. Step 3: Cross multiply
    3,260.40x = 4,889.08 × 951.44
  4. Step 4: Simplify right side
    3,260.40x = 4,651,666.28
  5. Step 5: Solve for x
    x = 4,651,666.28/3,260.40
  6. Step 6: Final answer
    x = 1,426.72

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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.