Home / 1,861.10-2,567.09-1,196.90

Finding the Fourth Proportional to 1,861.10, 2,567.09 and 1,196.90

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Solution

The fourth proportional to 1,861.10, 2,567.09 and 1,196.90 is: 1,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.10 : 2,567.09 = 1,196.90 : x
  2. Step 2: Convert to fraction form
    1,861.10/2,567.09 = 1,196.90/x
  3. Step 3: Cross multiply
    1,861.10x = 2,567.09 × 1,196.90
  4. Step 4: Simplify right side
    1,861.10x = 3,072,550.02
  5. Step 5: Solve for x
    x = 3,072,550.02/1,861.10
  6. Step 6: Final answer
    x = 1,650.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.