Home / 3,168.06-4,751.55-976.20

Finding the Fourth Proportional to 3,168.06, 4,751.55 and 976.20

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Solution

The fourth proportional to 3,168.06, 4,751.55 and 976.20 is: 1,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.06 : 4,751.55 = 976.20 : x
  2. Step 2: Convert to fraction form
    3,168.06/4,751.55 = 976.20/x
  3. Step 3: Cross multiply
    3,168.06x = 4,751.55 × 976.20
  4. Step 4: Simplify right side
    3,168.06x = 4,638,463.11
  5. Step 5: Solve for x
    x = 4,638,463.11/3,168.06
  6. Step 6: Final answer
    x = 1,464.13

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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.