Home / 4,215.64-5,817.78-2,423.70

Finding the Fourth Proportional to 4,215.64, 5,817.78 and 2,423.70

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Solution

The fourth proportional to 4,215.64, 5,817.78 and 2,423.70 is: 3,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.64 : 5,817.78 = 2,423.70 : x
  2. Step 2: Convert to fraction form
    4,215.64/5,817.78 = 2,423.70/x
  3. Step 3: Cross multiply
    4,215.64x = 5,817.78 × 2,423.70
  4. Step 4: Simplify right side
    4,215.64x = 14,100,544.30
  5. Step 5: Solve for x
    x = 14,100,544.30/4,215.64
  6. Step 6: Final answer
    x = 3,344.82

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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.