Home / 2,847.09-4,266.65-1,090.20

Finding the Fourth Proportional to 2,847.09, 4,266.65 and 1,090.20

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Solution

The fourth proportional to 2,847.09, 4,266.65 and 1,090.20 is: 1,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.09 : 4,266.65 = 1,090.20 : x
  2. Step 2: Convert to fraction form
    2,847.09/4,266.65 = 1,090.20/x
  3. Step 3: Cross multiply
    2,847.09x = 4,266.65 × 1,090.20
  4. Step 4: Simplify right side
    2,847.09x = 4,651,496.38
  5. Step 5: Solve for x
    x = 4,651,496.38/2,847.09
  6. Step 6: Final answer
    x = 1,633.77

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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.