Home / 4,210.68-6,311.70-2,124.30

Finding the Fourth Proportional to 4,210.68, 6,311.70 and 2,124.30

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Solution

The fourth proportional to 4,210.68, 6,311.70 and 2,124.30 is: 3,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.68 : 6,311.70 = 2,124.30 : x
  2. Step 2: Convert to fraction form
    4,210.68/6,311.70 = 2,124.30/x
  3. Step 3: Cross multiply
    4,210.68x = 6,311.70 × 2,124.30
  4. Step 4: Simplify right side
    4,210.68x = 13,407,944.31
  5. Step 5: Solve for x
    x = 13,407,944.31/4,210.68
  6. Step 6: Final answer
    x = 3,184.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.