Home / 2,765.02-4,151.69-2,379.23

Finding the Fourth Proportional to 2,765.02, 4,151.69 and 2,379.23

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Solution

The fourth proportional to 2,765.02, 4,151.69 and 2,379.23 is: 3,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.02 : 4,151.69 = 2,379.23 : x
  2. Step 2: Convert to fraction form
    2,765.02/4,151.69 = 2,379.23/x
  3. Step 3: Cross multiply
    2,765.02x = 4,151.69 × 2,379.23
  4. Step 4: Simplify right side
    2,765.02x = 9,877,825.40
  5. Step 5: Solve for x
    x = 9,877,825.40/2,765.02
  6. Step 6: Final answer
    x = 3,572.42

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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.