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Finding the Fourth Proportional to 1,596.81, 2,203.60 and 898.19

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Solution

The fourth proportional to 1,596.81, 2,203.60 and 898.19 is: 1,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.81 : 2,203.60 = 898.19 : x
  2. Step 2: Convert to fraction form
    1,596.81/2,203.60 = 898.19/x
  3. Step 3: Cross multiply
    1,596.81x = 2,203.60 × 898.19
  4. Step 4: Simplify right side
    1,596.81x = 1,979,251.48
  5. Step 5: Solve for x
    x = 1,979,251.48/1,596.81
  6. Step 6: Final answer
    x = 1,239.50

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Half scale
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Double scale
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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.