Home / 2,831.84-4,264.71-2,579.32

Finding the Fourth Proportional to 2,831.84, 4,264.71 and 2,579.32

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Solution

The fourth proportional to 2,831.84, 4,264.71 and 2,579.32 is: 3,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.84 : 4,264.71 = 2,579.32 : x
  2. Step 2: Convert to fraction form
    2,831.84/4,264.71 = 2,579.32/x
  3. Step 3: Cross multiply
    2,831.84x = 4,264.71 × 2,579.32
  4. Step 4: Simplify right side
    2,831.84x = 11,000,047.46
  5. Step 5: Solve for x
    x = 11,000,047.46/2,831.84
  6. Step 6: Final answer
    x = 3,884.42

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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.