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Finding the Fourth Proportional to 1,323.88, 1,824.83 and 898.37

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Solution

The fourth proportional to 1,323.88, 1,824.83 and 898.37 is: 1,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.88 : 1,824.83 = 898.37 : x
  2. Step 2: Convert to fraction form
    1,323.88/1,824.83 = 898.37/x
  3. Step 3: Cross multiply
    1,323.88x = 1,824.83 × 898.37
  4. Step 4: Simplify right side
    1,323.88x = 1,639,372.53
  5. Step 5: Solve for x
    x = 1,639,372.53/1,323.88
  6. Step 6: Final answer
    x = 1,238.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.