Home / 2,090.19-3,135.33-703.47

Finding the Fourth Proportional to 2,090.19, 3,135.33 and 703.47

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Solution

The fourth proportional to 2,090.19, 3,135.33 and 703.47 is: 1,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.19 : 3,135.33 = 703.47 : x
  2. Step 2: Convert to fraction form
    2,090.19/3,135.33 = 703.47/x
  3. Step 3: Cross multiply
    2,090.19x = 3,135.33 × 703.47
  4. Step 4: Simplify right side
    2,090.19x = 2,205,610.60
  5. Step 5: Solve for x
    x = 2,205,610.60/2,090.19
  6. Step 6: Final answer
    x = 1,055.22

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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.