Home / 2,351.51-3,244.74-1,356.60

Finding the Fourth Proportional to 2,351.51, 3,244.74 and 1,356.60

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Solution

The fourth proportional to 2,351.51, 3,244.74 and 1,356.60 is: 1,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.51 : 3,244.74 = 1,356.60 : x
  2. Step 2: Convert to fraction form
    2,351.51/3,244.74 = 1,356.60/x
  3. Step 3: Cross multiply
    2,351.51x = 3,244.74 × 1,356.60
  4. Step 4: Simplify right side
    2,351.51x = 4,401,814.28
  5. Step 5: Solve for x
    x = 4,401,814.28/2,351.51
  6. Step 6: Final answer
    x = 1,871.91

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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.