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Finding the Fourth Proportional to 2,962.33, 4,443.02 and 989.34

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Solution

The fourth proportional to 2,962.33, 4,443.02 and 989.34 is: 1,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.33 : 4,443.02 = 989.34 : x
  2. Step 2: Convert to fraction form
    2,962.33/4,443.02 = 989.34/x
  3. Step 3: Cross multiply
    2,962.33x = 4,443.02 × 989.34
  4. Step 4: Simplify right side
    2,962.33x = 4,395,652.46
  5. Step 5: Solve for x
    x = 4,395,652.46/2,962.33
  6. Step 6: Final answer
    x = 1,483.85

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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.