Home / 2,775.32-3,829.38-1,580.04

Finding the Fourth Proportional to 2,775.32, 3,829.38 and 1,580.04

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Solution

The fourth proportional to 2,775.32, 3,829.38 and 1,580.04 is: 2,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.32 : 3,829.38 = 1,580.04 : x
  2. Step 2: Convert to fraction form
    2,775.32/3,829.38 = 1,580.04/x
  3. Step 3: Cross multiply
    2,775.32x = 3,829.38 × 1,580.04
  4. Step 4: Simplify right side
    2,775.32x = 6,050,573.58
  5. Step 5: Solve for x
    x = 6,050,573.58/2,775.32
  6. Step 6: Final answer
    x = 2,180.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.