Home / 3,500.75-4,831.04-2,103.77

Finding the Fourth Proportional to 3,500.75, 4,831.04 and 2,103.77

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Solution

The fourth proportional to 3,500.75, 4,831.04 and 2,103.77 is: 2,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.75 : 4,831.04 = 2,103.77 : x
  2. Step 2: Convert to fraction form
    3,500.75/4,831.04 = 2,103.77/x
  3. Step 3: Cross multiply
    3,500.75x = 4,831.04 × 2,103.77
  4. Step 4: Simplify right side
    3,500.75x = 10,163,397.02
  5. Step 5: Solve for x
    x = 10,163,397.02/3,500.75
  6. Step 6: Final answer
    x = 2,903.21

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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.