Home / 1,533.23-2,299.38-492.98

Finding the Fourth Proportional to 1,533.23, 2,299.38 and 492.98

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Solution

The fourth proportional to 1,533.23, 2,299.38 and 492.98 is: 739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.23 : 2,299.38 = 492.98 : x
  2. Step 2: Convert to fraction form
    1,533.23/2,299.38 = 492.98/x
  3. Step 3: Cross multiply
    1,533.23x = 2,299.38 × 492.98
  4. Step 4: Simplify right side
    1,533.23x = 1,133,548.35
  5. Step 5: Solve for x
    x = 1,133,548.35/1,533.23
  6. Step 6: Final answer
    x = 739.32

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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.