Home / 2,831.93-4,264.85-2,579.42

Finding the Fourth Proportional to 2,831.93, 4,264.85 and 2,579.42

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Solution

The fourth proportional to 2,831.93, 4,264.85 and 2,579.42 is: 3,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.93 : 4,264.85 = 2,579.42 : x
  2. Step 2: Convert to fraction form
    2,831.93/4,264.85 = 2,579.42/x
  3. Step 3: Cross multiply
    2,831.93x = 4,264.85 × 2,579.42
  4. Step 4: Simplify right side
    2,831.93x = 11,000,824.51
  5. Step 5: Solve for x
    x = 11,000,824.51/2,831.93
  6. Step 6: Final answer
    x = 3,884.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.