Home / 2,914.78-4,022.41-1,588.48

Finding the Fourth Proportional to 2,914.78, 4,022.41 and 1,588.48

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Solution

The fourth proportional to 2,914.78, 4,022.41 and 1,588.48 is: 2,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.78 : 4,022.41 = 1,588.48 : x
  2. Step 2: Convert to fraction form
    2,914.78/4,022.41 = 1,588.48/x
  3. Step 3: Cross multiply
    2,914.78x = 4,022.41 × 1,588.48
  4. Step 4: Simplify right side
    2,914.78x = 6,389,522.81
  5. Step 5: Solve for x
    x = 6,389,522.81/2,914.78
  6. Step 6: Final answer
    x = 2,192.11

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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.