Home / 2,130.03-3,192.89-960.66

Finding the Fourth Proportional to 2,130.03, 3,192.89 and 960.66

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Solution

The fourth proportional to 2,130.03, 3,192.89 and 960.66 is: 1,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.03 : 3,192.89 = 960.66 : x
  2. Step 2: Convert to fraction form
    2,130.03/3,192.89 = 960.66/x
  3. Step 3: Cross multiply
    2,130.03x = 3,192.89 × 960.66
  4. Step 4: Simplify right side
    2,130.03x = 3,067,276.90
  5. Step 5: Solve for x
    x = 3,067,276.90/2,130.03
  6. Step 6: Final answer
    x = 1,440.02

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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.