Home / 3,090.89-4,264.78-1,765.02

Finding the Fourth Proportional to 3,090.89, 4,264.78 and 1,765.02

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Solution

The fourth proportional to 3,090.89, 4,264.78 and 1,765.02 is: 2,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.89 : 4,264.78 = 1,765.02 : x
  2. Step 2: Convert to fraction form
    3,090.89/4,264.78 = 1,765.02/x
  3. Step 3: Cross multiply
    3,090.89x = 4,264.78 × 1,765.02
  4. Step 4: Simplify right side
    3,090.89x = 7,527,422.00
  5. Step 5: Solve for x
    x = 7,527,422.00/3,090.89
  6. Step 6: Final answer
    x = 2,435.36

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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.