Home / 3,153.76-4,729.52-1,304.06

Finding the Fourth Proportional to 3,153.76, 4,729.52 and 1,304.06

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Solution

The fourth proportional to 3,153.76, 4,729.52 and 1,304.06 is: 1,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.76 : 4,729.52 = 1,304.06 : x
  2. Step 2: Convert to fraction form
    3,153.76/4,729.52 = 1,304.06/x
  3. Step 3: Cross multiply
    3,153.76x = 4,729.52 × 1,304.06
  4. Step 4: Simplify right side
    3,153.76x = 6,167,557.46
  5. Step 5: Solve for x
    x = 6,167,557.46/3,153.76
  6. Step 6: Final answer
    x = 1,955.62

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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.