Home / 3,622.07-5,430.65-2,385.70

Finding the Fourth Proportional to 3,622.07, 5,430.65 and 2,385.70

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Solution

The fourth proportional to 3,622.07, 5,430.65 and 2,385.70 is: 3,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.07 : 5,430.65 = 2,385.70 : x
  2. Step 2: Convert to fraction form
    3,622.07/5,430.65 = 2,385.70/x
  3. Step 3: Cross multiply
    3,622.07x = 5,430.65 × 2,385.70
  4. Step 4: Simplify right side
    3,622.07x = 12,955,906.75
  5. Step 5: Solve for x
    x = 12,955,906.75/3,622.07
  6. Step 6: Final answer
    x = 3,576.94

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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.