Home / 3,831.12-5,284.26-2,506.35

Finding the Fourth Proportional to 3,831.12, 5,284.26 and 2,506.35

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Solution

The fourth proportional to 3,831.12, 5,284.26 and 2,506.35 is: 3,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.12 : 5,284.26 = 2,506.35 : x
  2. Step 2: Convert to fraction form
    3,831.12/5,284.26 = 2,506.35/x
  3. Step 3: Cross multiply
    3,831.12x = 5,284.26 × 2,506.35
  4. Step 4: Simplify right side
    3,831.12x = 13,244,205.05
  5. Step 5: Solve for x
    x = 13,244,205.05/3,831.12
  6. Step 6: Final answer
    x = 3,457.01

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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.