Home / 1,176.12-1,616.44-1,143.32

Finding the Fourth Proportional to 1,176.12, 1,616.44 and 1,143.32

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Solution

The fourth proportional to 1,176.12, 1,616.44 and 1,143.32 is: 1,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.12 : 1,616.44 = 1,143.32 : x
  2. Step 2: Convert to fraction form
    1,176.12/1,616.44 = 1,143.32/x
  3. Step 3: Cross multiply
    1,176.12x = 1,616.44 × 1,143.32
  4. Step 4: Simplify right side
    1,176.12x = 1,848,108.18
  5. Step 5: Solve for x
    x = 1,848,108.18/1,176.12
  6. Step 6: Final answer
    x = 1,571.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.