Home / 3,090.03-4,638.13-1,447.76

Finding the Fourth Proportional to 3,090.03, 4,638.13 and 1,447.76

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Solution

The fourth proportional to 3,090.03, 4,638.13 and 1,447.76 is: 2,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.03 : 4,638.13 = 1,447.76 : x
  2. Step 2: Convert to fraction form
    3,090.03/4,638.13 = 1,447.76/x
  3. Step 3: Cross multiply
    3,090.03x = 4,638.13 × 1,447.76
  4. Step 4: Simplify right side
    3,090.03x = 6,714,872.28
  5. Step 5: Solve for x
    x = 6,714,872.28/3,090.03
  6. Step 6: Final answer
    x = 2,173.08

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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.