Home / 3,528.86-4,870.60-2,202.30

Finding the Fourth Proportional to 3,528.86, 4,870.60 and 2,202.30

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Solution

The fourth proportional to 3,528.86, 4,870.60 and 2,202.30 is: 3,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.86 : 4,870.60 = 2,202.30 : x
  2. Step 2: Convert to fraction form
    3,528.86/4,870.60 = 2,202.30/x
  3. Step 3: Cross multiply
    3,528.86x = 4,870.60 × 2,202.30
  4. Step 4: Simplify right side
    3,528.86x = 10,726,516.87
  5. Step 5: Solve for x
    x = 10,726,516.87/3,528.86
  6. Step 6: Final answer
    x = 3,039.66

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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.