Home / 3,014.39-4,528.50-2,139.05

Finding the Fourth Proportional to 3,014.39, 4,528.50 and 2,139.05

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Solution

The fourth proportional to 3,014.39, 4,528.50 and 2,139.05 is: 3,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.39 : 4,528.50 = 2,139.05 : x
  2. Step 2: Convert to fraction form
    3,014.39/4,528.50 = 2,139.05/x
  3. Step 3: Cross multiply
    3,014.39x = 4,528.50 × 2,139.05
  4. Step 4: Simplify right side
    3,014.39x = 9,686,665.28
  5. Step 5: Solve for x
    x = 9,686,665.28/3,014.39
  6. Step 6: Final answer
    x = 3,213.48

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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.