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Finding the Fourth Proportional to 3,313.68, 4,968.18 and 2,981.52

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Solution

The fourth proportional to 3,313.68, 4,968.18 and 2,981.52 is: 4,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.68 : 4,968.18 = 2,981.52 : x
  2. Step 2: Convert to fraction form
    3,313.68/4,968.18 = 2,981.52/x
  3. Step 3: Cross multiply
    3,313.68x = 4,968.18 × 2,981.52
  4. Step 4: Simplify right side
    3,313.68x = 14,812,728.03
  5. Step 5: Solve for x
    x = 14,812,728.03/3,313.68
  6. Step 6: Final answer
    x = 4,470.17

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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.