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Finding the Fourth Proportional to 1,824.80, 2,736.20 and 898.32

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Solution

The fourth proportional to 1,824.80, 2,736.20 and 898.32 is: 1,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.80 : 2,736.20 = 898.32 : x
  2. Step 2: Convert to fraction form
    1,824.80/2,736.20 = 898.32/x
  3. Step 3: Cross multiply
    1,824.80x = 2,736.20 × 898.32
  4. Step 4: Simplify right side
    1,824.80x = 2,457,983.18
  5. Step 5: Solve for x
    x = 2,457,983.18/1,824.80
  6. Step 6: Final answer
    x = 1,346.99

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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.