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Finding the Fourth Proportional to 3,303.27, 4,955.09 and 838.10

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Solution

The fourth proportional to 3,303.27, 4,955.09 and 838.10 is: 1,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.27 : 4,955.09 = 838.10 : x
  2. Step 2: Convert to fraction form
    3,303.27/4,955.09 = 838.10/x
  3. Step 3: Cross multiply
    3,303.27x = 4,955.09 × 838.10
  4. Step 4: Simplify right side
    3,303.27x = 4,152,869.13
  5. Step 5: Solve for x
    x = 4,152,869.13/3,303.27
  6. Step 6: Final answer
    x = 1,257.20

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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.