Home / 3,500.80-4,831.14-2,175.10

Finding the Fourth Proportional to 3,500.80, 4,831.14 and 2,175.10

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Solution

The fourth proportional to 3,500.80, 4,831.14 and 2,175.10 is: 3,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.80 : 4,831.14 = 2,175.10 : x
  2. Step 2: Convert to fraction form
    3,500.80/4,831.14 = 2,175.10/x
  3. Step 3: Cross multiply
    3,500.80x = 4,831.14 × 2,175.10
  4. Step 4: Simplify right side
    3,500.80x = 10,508,212.61
  5. Step 5: Solve for x
    x = 10,508,212.61/3,500.80
  6. Step 6: Final answer
    x = 3,001.66

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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.