Home / 2,913.72-4,370.62-1,623.39

Finding the Fourth Proportional to 2,913.72, 4,370.62 and 1,623.39

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Solution

The fourth proportional to 2,913.72, 4,370.62 and 1,623.39 is: 2,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.72 : 4,370.62 = 1,623.39 : x
  2. Step 2: Convert to fraction form
    2,913.72/4,370.62 = 1,623.39/x
  3. Step 3: Cross multiply
    2,913.72x = 4,370.62 × 1,623.39
  4. Step 4: Simplify right side
    2,913.72x = 7,095,194.89
  5. Step 5: Solve for x
    x = 7,095,194.89/2,913.72
  6. Step 6: Final answer
    x = 2,435.10

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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.