Home / 1,971.36-2,953.35-1,768.50

Finding the Fourth Proportional to 1,971.36, 2,953.35 and 1,768.50

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Solution

The fourth proportional to 1,971.36, 2,953.35 and 1,768.50 is: 2,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.36 : 2,953.35 = 1,768.50 : x
  2. Step 2: Convert to fraction form
    1,971.36/2,953.35 = 1,768.50/x
  3. Step 3: Cross multiply
    1,971.36x = 2,953.35 × 1,768.50
  4. Step 4: Simplify right side
    1,971.36x = 5,222,999.48
  5. Step 5: Solve for x
    x = 5,222,999.48/1,971.36
  6. Step 6: Final answer
    x = 2,649.44

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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.