Home / 4,284.62-5,912.55-2,421.50

Finding the Fourth Proportional to 4,284.62, 5,912.55 and 2,421.50

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Solution

The fourth proportional to 4,284.62, 5,912.55 and 2,421.50 is: 3,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.62 : 5,912.55 = 2,421.50 : x
  2. Step 2: Convert to fraction form
    4,284.62/5,912.55 = 2,421.50/x
  3. Step 3: Cross multiply
    4,284.62x = 5,912.55 × 2,421.50
  4. Step 4: Simplify right side
    4,284.62x = 14,317,239.83
  5. Step 5: Solve for x
    x = 14,317,239.83/4,284.62
  6. Step 6: Final answer
    x = 3,341.54

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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.