Home / 3,023.07-4,536-1,380.12

Finding the Fourth Proportional to 3,023.07, 4,536 and 1,380.12

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Solution

The fourth proportional to 3,023.07, 4,536 and 1,380.12 is: 2,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.07 : 4,536 = 1,380.12 : x
  2. Step 2: Convert to fraction form
    3,023.07/4,536 = 1,380.12/x
  3. Step 3: Cross multiply
    3,023.07x = 4,536 × 1,380.12
  4. Step 4: Simplify right side
    3,023.07x = 6,260,224.32
  5. Step 5: Solve for x
    x = 6,260,224.32/3,023.07
  6. Step 6: Final answer
    x = 2,070.82

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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.