Home / 4,070.80-6,107.15-1,605.43

Finding the Fourth Proportional to 4,070.80, 6,107.15 and 1,605.43

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Solution

The fourth proportional to 4,070.80, 6,107.15 and 1,605.43 is: 2,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.80 : 6,107.15 = 1,605.43 : x
  2. Step 2: Convert to fraction form
    4,070.80/6,107.15 = 1,605.43/x
  3. Step 3: Cross multiply
    4,070.80x = 6,107.15 × 1,605.43
  4. Step 4: Simplify right side
    4,070.80x = 9,804,601.82
  5. Step 5: Solve for x
    x = 9,804,601.82/4,070.80
  6. Step 6: Final answer
    x = 2,408.52

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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.