Home / 4,143.48-5,717.86-2,255.10

Finding the Fourth Proportional to 4,143.48, 5,717.86 and 2,255.10

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Solution

The fourth proportional to 4,143.48, 5,717.86 and 2,255.10 is: 3,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.48 : 5,717.86 = 2,255.10 : x
  2. Step 2: Convert to fraction form
    4,143.48/5,717.86 = 2,255.10/x
  3. Step 3: Cross multiply
    4,143.48x = 5,717.86 × 2,255.10
  4. Step 4: Simplify right side
    4,143.48x = 12,894,346.09
  5. Step 5: Solve for x
    x = 12,894,346.09/4,143.48
  6. Step 6: Final answer
    x = 3,111.96

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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.