Home / 3,831.07-5,284.97-2,570.51

Finding the Fourth Proportional to 3,831.07, 5,284.97 and 2,570.51

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Solution

The fourth proportional to 3,831.07, 5,284.97 and 2,570.51 is: 3,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.07 : 5,284.97 = 2,570.51 : x
  2. Step 2: Convert to fraction form
    3,831.07/5,284.97 = 2,570.51/x
  3. Step 3: Cross multiply
    3,831.07x = 5,284.97 × 2,570.51
  4. Step 4: Simplify right side
    3,831.07x = 13,585,068.23
  5. Step 5: Solve for x
    x = 13,585,068.23/3,831.07
  6. Step 6: Final answer
    x = 3,546.02

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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.