Home / 2,765.03-4,137.80-1,725.53

Finding the Fourth Proportional to 2,765.03, 4,137.80 and 1,725.53

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Solution

The fourth proportional to 2,765.03, 4,137.80 and 1,725.53 is: 2,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.03 : 4,137.80 = 1,725.53 : x
  2. Step 2: Convert to fraction form
    2,765.03/4,137.80 = 1,725.53/x
  3. Step 3: Cross multiply
    2,765.03x = 4,137.80 × 1,725.53
  4. Step 4: Simplify right side
    2,765.03x = 7,139,881.66
  5. Step 5: Solve for x
    x = 7,139,881.66/2,765.03
  6. Step 6: Final answer
    x = 2,582.21

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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.