Home / 4,071.86-6,103.63-1,605.31

Finding the Fourth Proportional to 4,071.86, 6,103.63 and 1,605.31

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Solution

The fourth proportional to 4,071.86, 6,103.63 and 1,605.31 is: 2,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.86 : 6,103.63 = 1,605.31 : x
  2. Step 2: Convert to fraction form
    4,071.86/6,103.63 = 1,605.31/x
  3. Step 3: Cross multiply
    4,071.86x = 6,103.63 × 1,605.31
  4. Step 4: Simplify right side
    4,071.86x = 9,798,218.28
  5. Step 5: Solve for x
    x = 9,798,218.28/4,071.86
  6. Step 6: Final answer
    x = 2,406.32

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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.