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Finding the Fourth Proportional to 3,969.98, 5,955.10 and 1,504.20

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Solution

The fourth proportional to 3,969.98, 5,955.10 and 1,504.20 is: 2,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.98 : 5,955.10 = 1,504.20 : x
  2. Step 2: Convert to fraction form
    3,969.98/5,955.10 = 1,504.20/x
  3. Step 3: Cross multiply
    3,969.98x = 5,955.10 × 1,504.20
  4. Step 4: Simplify right side
    3,969.98x = 8,957,661.42
  5. Step 5: Solve for x
    x = 8,957,661.42/3,969.98
  6. Step 6: Final answer
    x = 2,256.35

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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.