Home / 4,070.38-6,107.88-1,605.39

Finding the Fourth Proportional to 4,070.38, 6,107.88 and 1,605.39

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Solution

The fourth proportional to 4,070.38, 6,107.88 and 1,605.39 is: 2,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.38 : 6,107.88 = 1,605.39 : x
  2. Step 2: Convert to fraction form
    4,070.38/6,107.88 = 1,605.39/x
  3. Step 3: Cross multiply
    4,070.38x = 6,107.88 × 1,605.39
  4. Step 4: Simplify right side
    4,070.38x = 9,805,559.61
  5. Step 5: Solve for x
    x = 9,805,559.61/4,070.38
  6. Step 6: Final answer
    x = 2,409.00

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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.