Home / 1,197.08-1,783.52-1,180.17

Finding the Fourth Proportional to 1,197.08, 1,783.52 and 1,180.17

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Solution

The fourth proportional to 1,197.08, 1,783.52 and 1,180.17 is: 1,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.08 : 1,783.52 = 1,180.17 : x
  2. Step 2: Convert to fraction form
    1,197.08/1,783.52 = 1,180.17/x
  3. Step 3: Cross multiply
    1,197.08x = 1,783.52 × 1,180.17
  4. Step 4: Simplify right side
    1,197.08x = 2,104,855.32
  5. Step 5: Solve for x
    x = 2,104,855.32/1,197.08
  6. Step 6: Final answer
    x = 1,758.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.