Home / 3,153.12-4,729.95-962.34

Finding the Fourth Proportional to 3,153.12, 4,729.95 and 962.34

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Solution

The fourth proportional to 3,153.12, 4,729.95 and 962.34 is: 1,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.12 : 4,729.95 = 962.34 : x
  2. Step 2: Convert to fraction form
    3,153.12/4,729.95 = 962.34/x
  3. Step 3: Cross multiply
    3,153.12x = 4,729.95 × 962.34
  4. Step 4: Simplify right side
    3,153.12x = 4,551,820.08
  5. Step 5: Solve for x
    x = 4,551,820.08/3,153.12
  6. Step 6: Final answer
    x = 1,443.59

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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.