Home / 4,143.93-5,718.75-2,255.64

Finding the Fourth Proportional to 4,143.93, 5,718.75 and 2,255.64

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Solution

The fourth proportional to 4,143.93, 5,718.75 and 2,255.64 is: 3,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.93 : 5,718.75 = 2,255.64 : x
  2. Step 2: Convert to fraction form
    4,143.93/5,718.75 = 2,255.64/x
  3. Step 3: Cross multiply
    4,143.93x = 5,718.75 × 2,255.64
  4. Step 4: Simplify right side
    4,143.93x = 12,899,408.53
  5. Step 5: Solve for x
    x = 12,899,408.53/4,143.93
  6. Step 6: Final answer
    x = 3,112.84

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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.