Home / 3,643.13-5,464.77-1,178.20

Finding the Fourth Proportional to 3,643.13, 5,464.77 and 1,178.20

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Solution

The fourth proportional to 3,643.13, 5,464.77 and 1,178.20 is: 1,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.13 : 5,464.77 = 1,178.20 : x
  2. Step 2: Convert to fraction form
    3,643.13/5,464.77 = 1,178.20/x
  3. Step 3: Cross multiply
    3,643.13x = 5,464.77 × 1,178.20
  4. Step 4: Simplify right side
    3,643.13x = 6,438,563.69
  5. Step 5: Solve for x
    x = 6,438,563.69/3,643.13
  6. Step 6: Final answer
    x = 1,767.32

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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.