Home / 2,954.13-4,431.20-902.13

Finding the Fourth Proportional to 2,954.13, 4,431.20 and 902.13

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Solution

The fourth proportional to 2,954.13, 4,431.20 and 902.13 is: 1,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.13 : 4,431.20 = 902.13 : x
  2. Step 2: Convert to fraction form
    2,954.13/4,431.20 = 902.13/x
  3. Step 3: Cross multiply
    2,954.13x = 4,431.20 × 902.13
  4. Step 4: Simplify right side
    2,954.13x = 3,997,518.46
  5. Step 5: Solve for x
    x = 3,997,518.46/2,954.13
  6. Step 6: Final answer
    x = 1,353.20

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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.