Home / 4,219.40-6,332.97-2,140.88

Finding the Fourth Proportional to 4,219.40, 6,332.97 and 2,140.88

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Solution

The fourth proportional to 4,219.40, 6,332.97 and 2,140.88 is: 3,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.40 : 6,332.97 = 2,140.88 : x
  2. Step 2: Convert to fraction form
    4,219.40/6,332.97 = 2,140.88/x
  3. Step 3: Cross multiply
    4,219.40x = 6,332.97 × 2,140.88
  4. Step 4: Simplify right side
    4,219.40x = 13,558,128.81
  5. Step 5: Solve for x
    x = 13,558,128.81/4,219.40
  6. Step 6: Final answer
    x = 3,213.28

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1.5x scale

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.