Home / 2,090.25-2,884.85-1,193.99

Finding the Fourth Proportional to 2,090.25, 2,884.85 and 1,193.99

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Solution

The fourth proportional to 2,090.25, 2,884.85 and 1,193.99 is: 1,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.25 : 2,884.85 = 1,193.99 : x
  2. Step 2: Convert to fraction form
    2,090.25/2,884.85 = 1,193.99/x
  3. Step 3: Cross multiply
    2,090.25x = 2,884.85 × 1,193.99
  4. Step 4: Simplify right side
    2,090.25x = 3,444,461.66
  5. Step 5: Solve for x
    x = 3,444,461.66/2,090.25
  6. Step 6: Final answer
    x = 1,647.87

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1.5x scale

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.