Home / 3,681.10-5,521.64-1,491.37

Finding the Fourth Proportional to 3,681.10, 5,521.64 and 1,491.37

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Solution

The fourth proportional to 3,681.10, 5,521.64 and 1,491.37 is: 2,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.10 : 5,521.64 = 1,491.37 : x
  2. Step 2: Convert to fraction form
    3,681.10/5,521.64 = 1,491.37/x
  3. Step 3: Cross multiply
    3,681.10x = 5,521.64 × 1,491.37
  4. Step 4: Simplify right side
    3,681.10x = 8,234,790.71
  5. Step 5: Solve for x
    x = 8,234,790.71/3,681.10
  6. Step 6: Final answer
    x = 2,237.05

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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.