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Finding the Fourth Proportional to 2,981.06, 4,471.02 and 900.62

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Solution

The fourth proportional to 2,981.06, 4,471.02 and 900.62 is: 1,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.06 : 4,471.02 = 900.62 : x
  2. Step 2: Convert to fraction form
    2,981.06/4,471.02 = 900.62/x
  3. Step 3: Cross multiply
    2,981.06x = 4,471.02 × 900.62
  4. Step 4: Simplify right side
    2,981.06x = 4,026,690.03
  5. Step 5: Solve for x
    x = 4,026,690.03/2,981.06
  6. Step 6: Final answer
    x = 1,350.76

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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.