Home / 3,556.28-5,334.38-1,607.12

Finding the Fourth Proportional to 3,556.28, 5,334.38 and 1,607.12

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Solution

The fourth proportional to 3,556.28, 5,334.38 and 1,607.12 is: 2,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.28 : 5,334.38 = 1,607.12 : x
  2. Step 2: Convert to fraction form
    3,556.28/5,334.38 = 1,607.12/x
  3. Step 3: Cross multiply
    3,556.28x = 5,334.38 × 1,607.12
  4. Step 4: Simplify right side
    3,556.28x = 8,572,988.79
  5. Step 5: Solve for x
    x = 8,572,988.79/3,556.28
  6. Step 6: Final answer
    x = 2,410.66

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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.