Home / 3,023.45-4,528.86-2,919

Finding the Fourth Proportional to 3,023.45, 4,528.86 and 2,919

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Solution

The fourth proportional to 3,023.45, 4,528.86 and 2,919 is: 4,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.45 : 4,528.86 = 2,919 : x
  2. Step 2: Convert to fraction form
    3,023.45/4,528.86 = 2,919/x
  3. Step 3: Cross multiply
    3,023.45x = 4,528.86 × 2,919
  4. Step 4: Simplify right side
    3,023.45x = 13,219,742.34
  5. Step 5: Solve for x
    x = 13,219,742.34/3,023.45
  6. Step 6: Final answer
    x = 4,372.40

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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.