Home / 3,090.20-4,264.50-1,763.96

Finding the Fourth Proportional to 3,090.20, 4,264.50 and 1,763.96

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Solution

The fourth proportional to 3,090.20, 4,264.50 and 1,763.96 is: 2,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.20 : 4,264.50 = 1,763.96 : x
  2. Step 2: Convert to fraction form
    3,090.20/4,264.50 = 1,763.96/x
  3. Step 3: Cross multiply
    3,090.20x = 4,264.50 × 1,763.96
  4. Step 4: Simplify right side
    3,090.20x = 7,522,407.42
  5. Step 5: Solve for x
    x = 7,522,407.42/3,090.20
  6. Step 6: Final answer
    x = 2,434.28

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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.