Home / 3,028.05-4,542.21-1,570.05

Finding the Fourth Proportional to 3,028.05, 4,542.21 and 1,570.05

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Solution

The fourth proportional to 3,028.05, 4,542.21 and 1,570.05 is: 2,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.05 : 4,542.21 = 1,570.05 : x
  2. Step 2: Convert to fraction form
    3,028.05/4,542.21 = 1,570.05/x
  3. Step 3: Cross multiply
    3,028.05x = 4,542.21 × 1,570.05
  4. Step 4: Simplify right side
    3,028.05x = 7,131,496.81
  5. Step 5: Solve for x
    x = 7,131,496.81/3,028.05
  6. Step 6: Final answer
    x = 2,355.14

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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.