Home / 2,132.98-3,201.74-1,210.34

Finding the Fourth Proportional to 2,132.98, 3,201.74 and 1,210.34

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Solution

The fourth proportional to 2,132.98, 3,201.74 and 1,210.34 is: 1,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.98 : 3,201.74 = 1,210.34 : x
  2. Step 2: Convert to fraction form
    2,132.98/3,201.74 = 1,210.34/x
  3. Step 3: Cross multiply
    2,132.98x = 3,201.74 × 1,210.34
  4. Step 4: Simplify right side
    2,132.98x = 3,875,189.28
  5. Step 5: Solve for x
    x = 3,875,189.28/2,132.98
  6. Step 6: Final answer
    x = 1,816.80

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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.