Home / 1,206.16-1,675.68-1,194.32

Finding the Fourth Proportional to 1,206.16, 1,675.68 and 1,194.32

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Solution

The fourth proportional to 1,206.16, 1,675.68 and 1,194.32 is: 1,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.16 : 1,675.68 = 1,194.32 : x
  2. Step 2: Convert to fraction form
    1,206.16/1,675.68 = 1,194.32/x
  3. Step 3: Cross multiply
    1,206.16x = 1,675.68 × 1,194.32
  4. Step 4: Simplify right side
    1,206.16x = 2,001,298.14
  5. Step 5: Solve for x
    x = 2,001,298.14/1,206.16
  6. Step 6: Final answer
    x = 1,659.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.