Home / 3,019.20-4,528.50-1,070.04

Finding the Fourth Proportional to 3,019.20, 4,528.50 and 1,070.04

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Solution

The fourth proportional to 3,019.20, 4,528.50 and 1,070.04 is: 1,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.20 : 4,528.50 = 1,070.04 : x
  2. Step 2: Convert to fraction form
    3,019.20/4,528.50 = 1,070.04/x
  3. Step 3: Cross multiply
    3,019.20x = 4,528.50 × 1,070.04
  4. Step 4: Simplify right side
    3,019.20x = 4,845,676.14
  5. Step 5: Solve for x
    x = 4,845,676.14/3,019.20
  6. Step 6: Final answer
    x = 1,604.95

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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.