Home / 3,570.77-5,356.73-1,230.20

Finding the Fourth Proportional to 3,570.77, 5,356.73 and 1,230.20

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Solution

The fourth proportional to 3,570.77, 5,356.73 and 1,230.20 is: 1,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.77 : 5,356.73 = 1,230.20 : x
  2. Step 2: Convert to fraction form
    3,570.77/5,356.73 = 1,230.20/x
  3. Step 3: Cross multiply
    3,570.77x = 5,356.73 × 1,230.20
  4. Step 4: Simplify right side
    3,570.77x = 6,589,816.31
  5. Step 5: Solve for x
    x = 6,589,816.31/3,570.77
  6. Step 6: Final answer
    x = 1,845.49

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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.