Home / 1,530.38-2,289.29-1,299.93

Finding the Fourth Proportional to 1,530.38, 2,289.29 and 1,299.93

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Solution

The fourth proportional to 1,530.38, 2,289.29 and 1,299.93 is: 1,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.38 : 2,289.29 = 1,299.93 : x
  2. Step 2: Convert to fraction form
    1,530.38/2,289.29 = 1,299.93/x
  3. Step 3: Cross multiply
    1,530.38x = 2,289.29 × 1,299.93
  4. Step 4: Simplify right side
    1,530.38x = 2,975,910.25
  5. Step 5: Solve for x
    x = 2,975,910.25/1,530.38
  6. Step 6: Final answer
    x = 1,944.56

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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.