Home / 2,949.89-4,070.77-1,605.44

Finding the Fourth Proportional to 2,949.89, 4,070.77 and 1,605.44

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Solution

The fourth proportional to 2,949.89, 4,070.77 and 1,605.44 is: 2,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.89 : 4,070.77 = 1,605.44 : x
  2. Step 2: Convert to fraction form
    2,949.89/4,070.77 = 1,605.44/x
  3. Step 3: Cross multiply
    2,949.89x = 4,070.77 × 1,605.44
  4. Step 4: Simplify right side
    2,949.89x = 6,535,376.99
  5. Step 5: Solve for x
    x = 6,535,376.99/2,949.89
  6. Step 6: Final answer
    x = 2,215.46

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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.