Home / 2,090.13-2,884.19-1,205.76

Finding the Fourth Proportional to 2,090.13, 2,884.19 and 1,205.76

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Solution

The fourth proportional to 2,090.13, 2,884.19 and 1,205.76 is: 1,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.13 : 2,884.19 = 1,205.76 : x
  2. Step 2: Convert to fraction form
    2,090.13/2,884.19 = 1,205.76/x
  3. Step 3: Cross multiply
    2,090.13x = 2,884.19 × 1,205.76
  4. Step 4: Simplify right side
    2,090.13x = 3,477,652.50
  5. Step 5: Solve for x
    x = 3,477,652.50/2,090.13
  6. Step 6: Final answer
    x = 1,663.84

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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.