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Finding the Fourth Proportional to 3,710.99, 5,567.13 and 1,246.05

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Solution

The fourth proportional to 3,710.99, 5,567.13 and 1,246.05 is: 1,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.99 : 5,567.13 = 1,246.05 : x
  2. Step 2: Convert to fraction form
    3,710.99/5,567.13 = 1,246.05/x
  3. Step 3: Cross multiply
    3,710.99x = 5,567.13 × 1,246.05
  4. Step 4: Simplify right side
    3,710.99x = 6,936,922.34
  5. Step 5: Solve for x
    x = 6,936,922.34/3,710.99
  6. Step 6: Final answer
    x = 1,869.29

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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.