Home / 1,509.64-2,273.52-1,329.02

Finding the Fourth Proportional to 1,509.64, 2,273.52 and 1,329.02

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Solution

The fourth proportional to 1,509.64, 2,273.52 and 1,329.02 is: 2,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.64 : 2,273.52 = 1,329.02 : x
  2. Step 2: Convert to fraction form
    1,509.64/2,273.52 = 1,329.02/x
  3. Step 3: Cross multiply
    1,509.64x = 2,273.52 × 1,329.02
  4. Step 4: Simplify right side
    1,509.64x = 3,021,553.55
  5. Step 5: Solve for x
    x = 3,021,553.55/1,509.64
  6. Step 6: Final answer
    x = 2,001.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.