Home / 3,831.42-5,288.40-3,599.10

Finding the Fourth Proportional to 3,831.42, 5,288.40 and 3,599.10

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Solution

The fourth proportional to 3,831.42, 5,288.40 and 3,599.10 is: 4,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.42 : 5,288.40 = 3,599.10 : x
  2. Step 2: Convert to fraction form
    3,831.42/5,288.40 = 3,599.10/x
  3. Step 3: Cross multiply
    3,831.42x = 5,288.40 × 3,599.10
  4. Step 4: Simplify right side
    3,831.42x = 19,033,480.44
  5. Step 5: Solve for x
    x = 19,033,480.44/3,831.42
  6. Step 6: Final answer
    x = 4,967.74

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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.