Home / 2,590.92-3,887.19-1,975.32

Finding the Fourth Proportional to 2,590.92, 3,887.19 and 1,975.32

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Solution

The fourth proportional to 2,590.92, 3,887.19 and 1,975.32 is: 2,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.92 : 3,887.19 = 1,975.32 : x
  2. Step 2: Convert to fraction form
    2,590.92/3,887.19 = 1,975.32/x
  3. Step 3: Cross multiply
    2,590.92x = 3,887.19 × 1,975.32
  4. Step 4: Simplify right side
    2,590.92x = 7,678,444.15
  5. Step 5: Solve for x
    x = 7,678,444.15/2,590.92
  6. Step 6: Final answer
    x = 2,963.60

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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.