Home / 3,430.73-5,145.06-1,090.64

Finding the Fourth Proportional to 3,430.73, 5,145.06 and 1,090.64

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Solution

The fourth proportional to 3,430.73, 5,145.06 and 1,090.64 is: 1,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.73 : 5,145.06 = 1,090.64 : x
  2. Step 2: Convert to fraction form
    3,430.73/5,145.06 = 1,090.64/x
  3. Step 3: Cross multiply
    3,430.73x = 5,145.06 × 1,090.64
  4. Step 4: Simplify right side
    3,430.73x = 5,611,408.24
  5. Step 5: Solve for x
    x = 5,611,408.24/3,430.73
  6. Step 6: Final answer
    x = 1,635.63

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1.5x scale

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.