Home / 2,146.08-3,220.04-976.04

Finding the Fourth Proportional to 2,146.08, 3,220.04 and 976.04

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Solution

The fourth proportional to 2,146.08, 3,220.04 and 976.04 is: 1,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.08 : 3,220.04 = 976.04 : x
  2. Step 2: Convert to fraction form
    2,146.08/3,220.04 = 976.04/x
  3. Step 3: Cross multiply
    2,146.08x = 3,220.04 × 976.04
  4. Step 4: Simplify right side
    2,146.08x = 3,142,887.84
  5. Step 5: Solve for x
    x = 3,142,887.84/2,146.08
  6. Step 6: Final answer
    x = 1,464.48

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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.