Home / 4,077.79-5,627.49-2,285.35

Finding the Fourth Proportional to 4,077.79, 5,627.49 and 2,285.35

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Solution

The fourth proportional to 4,077.79, 5,627.49 and 2,285.35 is: 3,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.79 : 5,627.49 = 2,285.35 : x
  2. Step 2: Convert to fraction form
    4,077.79/5,627.49 = 2,285.35/x
  3. Step 3: Cross multiply
    4,077.79x = 5,627.49 × 2,285.35
  4. Step 4: Simplify right side
    4,077.79x = 12,860,784.27
  5. Step 5: Solve for x
    x = 12,860,784.27/4,077.79
  6. Step 6: Final answer
    x = 3,153.86

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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.