Home / 2,949.66-4,070.55-1,605.27

Finding the Fourth Proportional to 2,949.66, 4,070.55 and 1,605.27

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Solution

The fourth proportional to 2,949.66, 4,070.55 and 1,605.27 is: 2,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.66 : 4,070.55 = 1,605.27 : x
  2. Step 2: Convert to fraction form
    2,949.66/4,070.55 = 1,605.27/x
  3. Step 3: Cross multiply
    2,949.66x = 4,070.55 × 1,605.27
  4. Step 4: Simplify right side
    2,949.66x = 6,534,331.80
  5. Step 5: Solve for x
    x = 6,534,331.80/2,949.66
  6. Step 6: Final answer
    x = 2,215.28

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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.