Home / 4,077.72-5,626.78-2,285.30

Finding the Fourth Proportional to 4,077.72, 5,626.78 and 2,285.30

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Solution

The fourth proportional to 4,077.72, 5,626.78 and 2,285.30 is: 3,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.72 : 5,626.78 = 2,285.30 : x
  2. Step 2: Convert to fraction form
    4,077.72/5,626.78 = 2,285.30/x
  3. Step 3: Cross multiply
    4,077.72x = 5,626.78 × 2,285.30
  4. Step 4: Simplify right side
    4,077.72x = 12,858,880.33
  5. Step 5: Solve for x
    x = 12,858,880.33/4,077.72
  6. Step 6: Final answer
    x = 3,153.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.