Home / 3,570.38-5,355.27-1,230.38

Finding the Fourth Proportional to 3,570.38, 5,355.27 and 1,230.38

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Solution

The fourth proportional to 3,570.38, 5,355.27 and 1,230.38 is: 1,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.38 : 5,355.27 = 1,230.38 : x
  2. Step 2: Convert to fraction form
    3,570.38/5,355.27 = 1,230.38/x
  3. Step 3: Cross multiply
    3,570.38x = 5,355.27 × 1,230.38
  4. Step 4: Simplify right side
    3,570.38x = 6,589,017.10
  5. Step 5: Solve for x
    x = 6,589,017.10/3,570.38
  6. Step 6: Final answer
    x = 1,845.47

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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.