Home / 3,764.24-5,636.28-2,985.80

Finding the Fourth Proportional to 3,764.24, 5,636.28 and 2,985.80

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Solution

The fourth proportional to 3,764.24, 5,636.28 and 2,985.80 is: 4,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.24 : 5,636.28 = 2,985.80 : x
  2. Step 2: Convert to fraction form
    3,764.24/5,636.28 = 2,985.80/x
  3. Step 3: Cross multiply
    3,764.24x = 5,636.28 × 2,985.80
  4. Step 4: Simplify right side
    3,764.24x = 16,828,804.82
  5. Step 5: Solve for x
    x = 16,828,804.82/3,764.24
  6. Step 6: Final answer
    x = 4,470.70

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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.