Home / 4,284.50-5,912.62-2,421.50

Finding the Fourth Proportional to 4,284.50, 5,912.62 and 2,421.50

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Solution

The fourth proportional to 4,284.50, 5,912.62 and 2,421.50 is: 3,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.50 : 5,912.62 = 2,421.50 : x
  2. Step 2: Convert to fraction form
    4,284.50/5,912.62 = 2,421.50/x
  3. Step 3: Cross multiply
    4,284.50x = 5,912.62 × 2,421.50
  4. Step 4: Simplify right side
    4,284.50x = 14,317,409.33
  5. Step 5: Solve for x
    x = 14,317,409.33/4,284.50
  6. Step 6: Final answer
    x = 3,341.68

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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.