Home / 2,845.16-3,924.98-1,665.50

Finding the Fourth Proportional to 2,845.16, 3,924.98 and 1,665.50

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Solution

The fourth proportional to 2,845.16, 3,924.98 and 1,665.50 is: 2,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.16 : 3,924.98 = 1,665.50 : x
  2. Step 2: Convert to fraction form
    2,845.16/3,924.98 = 1,665.50/x
  3. Step 3: Cross multiply
    2,845.16x = 3,924.98 × 1,665.50
  4. Step 4: Simplify right side
    2,845.16x = 6,537,054.19
  5. Step 5: Solve for x
    x = 6,537,054.19/2,845.16
  6. Step 6: Final answer
    x = 2,297.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.