Home / 2,509.30-3,765.23-1,029.60

Finding the Fourth Proportional to 2,509.30, 3,765.23 and 1,029.60

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Solution

The fourth proportional to 2,509.30, 3,765.23 and 1,029.60 is: 1,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.30 : 3,765.23 = 1,029.60 : x
  2. Step 2: Convert to fraction form
    2,509.30/3,765.23 = 1,029.60/x
  3. Step 3: Cross multiply
    2,509.30x = 3,765.23 × 1,029.60
  4. Step 4: Simplify right side
    2,509.30x = 3,876,680.81
  5. Step 5: Solve for x
    x = 3,876,680.81/2,509.30
  6. Step 6: Final answer
    x = 1,544.93

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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.