Home / 1,666.08-2,487.21-1,447.44

Finding the Fourth Proportional to 1,666.08, 2,487.21 and 1,447.44

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Solution

The fourth proportional to 1,666.08, 2,487.21 and 1,447.44 is: 2,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.08 : 2,487.21 = 1,447.44 : x
  2. Step 2: Convert to fraction form
    1,666.08/2,487.21 = 1,447.44/x
  3. Step 3: Cross multiply
    1,666.08x = 2,487.21 × 1,447.44
  4. Step 4: Simplify right side
    1,666.08x = 3,600,087.24
  5. Step 5: Solve for x
    x = 3,600,087.24/1,666.08
  6. Step 6: Final answer
    x = 2,160.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.