Home / 2,830.66-4,248.48-1,370.90

Finding the Fourth Proportional to 2,830.66, 4,248.48 and 1,370.90

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Solution

The fourth proportional to 2,830.66, 4,248.48 and 1,370.90 is: 2,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.66 : 4,248.48 = 1,370.90 : x
  2. Step 2: Convert to fraction form
    2,830.66/4,248.48 = 1,370.90/x
  3. Step 3: Cross multiply
    2,830.66x = 4,248.48 × 1,370.90
  4. Step 4: Simplify right side
    2,830.66x = 5,824,241.23
  5. Step 5: Solve for x
    x = 5,824,241.23/2,830.66
  6. Step 6: Final answer
    x = 2,057.56

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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.