Home / 4,148.72-5,725.32-2,285.72

Finding the Fourth Proportional to 4,148.72, 5,725.32 and 2,285.72

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Solution

The fourth proportional to 4,148.72, 5,725.32 and 2,285.72 is: 3,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.72 : 5,725.32 = 2,285.72 : x
  2. Step 2: Convert to fraction form
    4,148.72/5,725.32 = 2,285.72/x
  3. Step 3: Cross multiply
    4,148.72x = 5,725.32 × 2,285.72
  4. Step 4: Simplify right side
    4,148.72x = 13,086,478.43
  5. Step 5: Solve for x
    x = 13,086,478.43/4,148.72
  6. Step 6: Final answer
    x = 3,154.34

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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.