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Finding the Fourth Proportional to 3,970.47, 5,955.84 and 1,504.74

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Solution

The fourth proportional to 3,970.47, 5,955.84 and 1,504.74 is: 2,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.47 : 5,955.84 = 1,504.74 : x
  2. Step 2: Convert to fraction form
    3,970.47/5,955.84 = 1,504.74/x
  3. Step 3: Cross multiply
    3,970.47x = 5,955.84 × 1,504.74
  4. Step 4: Simplify right side
    3,970.47x = 8,961,990.68
  5. Step 5: Solve for x
    x = 8,961,990.68/3,970.47
  6. Step 6: Final answer
    x = 2,257.16

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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.