Home / 1,664.45-2,495.51-1,196.21

Finding the Fourth Proportional to 1,664.45, 2,495.51 and 1,196.21

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Solution

The fourth proportional to 1,664.45, 2,495.51 and 1,196.21 is: 1,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.45 : 2,495.51 = 1,196.21 : x
  2. Step 2: Convert to fraction form
    1,664.45/2,495.51 = 1,196.21/x
  3. Step 3: Cross multiply
    1,664.45x = 2,495.51 × 1,196.21
  4. Step 4: Simplify right side
    1,664.45x = 2,985,154.02
  5. Step 5: Solve for x
    x = 2,985,154.02/1,664.45
  6. Step 6: Final answer
    x = 1,793.48

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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.