Home / 1,743.21-2,611.49-1,669.10

Finding the Fourth Proportional to 1,743.21, 2,611.49 and 1,669.10

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Solution

The fourth proportional to 1,743.21, 2,611.49 and 1,669.10 is: 2,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.21 : 2,611.49 = 1,669.10 : x
  2. Step 2: Convert to fraction form
    1,743.21/2,611.49 = 1,669.10/x
  3. Step 3: Cross multiply
    1,743.21x = 2,611.49 × 1,669.10
  4. Step 4: Simplify right side
    1,743.21x = 4,358,816.56
  5. Step 5: Solve for x
    x = 4,358,816.56/1,743.21
  6. Step 6: Final answer
    x = 2,500.45

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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.