Home / 2,771.04-4,157.12-1,472.16

Finding the Fourth Proportional to 2,771.04, 4,157.12 and 1,472.16

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Solution

The fourth proportional to 2,771.04, 4,157.12 and 1,472.16 is: 2,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.04 : 4,157.12 = 1,472.16 : x
  2. Step 2: Convert to fraction form
    2,771.04/4,157.12 = 1,472.16/x
  3. Step 3: Cross multiply
    2,771.04x = 4,157.12 × 1,472.16
  4. Step 4: Simplify right side
    2,771.04x = 6,119,945.78
  5. Step 5: Solve for x
    x = 6,119,945.78/2,771.04
  6. Step 6: Final answer
    x = 2,208.54

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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.