Home / 1,533.10-2,299.64-667.41

Finding the Fourth Proportional to 1,533.10, 2,299.64 and 667.41

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Solution

The fourth proportional to 1,533.10, 2,299.64 and 667.41 is: 1,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.10 : 2,299.64 = 667.41 : x
  2. Step 2: Convert to fraction form
    1,533.10/2,299.64 = 667.41/x
  3. Step 3: Cross multiply
    1,533.10x = 2,299.64 × 667.41
  4. Step 4: Simplify right side
    1,533.10x = 1,534,804.40
  5. Step 5: Solve for x
    x = 1,534,804.40/1,533.10
  6. Step 6: Final answer
    x = 1,001.11

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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.