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Finding the Fourth Proportional to 3,969.84, 5,955.06 and 1,337.35

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Solution

The fourth proportional to 3,969.84, 5,955.06 and 1,337.35 is: 2,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.84 : 5,955.06 = 1,337.35 : x
  2. Step 2: Convert to fraction form
    3,969.84/5,955.06 = 1,337.35/x
  3. Step 3: Cross multiply
    3,969.84x = 5,955.06 × 1,337.35
  4. Step 4: Simplify right side
    3,969.84x = 7,963,999.49
  5. Step 5: Solve for x
    x = 7,963,999.49/3,969.84
  6. Step 6: Final answer
    x = 2,006.13

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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.