Home / 3,013.20-4,519.63-1,788.40

Finding the Fourth Proportional to 3,013.20, 4,519.63 and 1,788.40

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Solution

The fourth proportional to 3,013.20, 4,519.63 and 1,788.40 is: 2,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.20 : 4,519.63 = 1,788.40 : x
  2. Step 2: Convert to fraction form
    3,013.20/4,519.63 = 1,788.40/x
  3. Step 3: Cross multiply
    3,013.20x = 4,519.63 × 1,788.40
  4. Step 4: Simplify right side
    3,013.20x = 8,082,906.29
  5. Step 5: Solve for x
    x = 8,082,906.29/3,013.20
  6. Step 6: Final answer
    x = 2,682.50

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1.5x scale

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.