Home / 1,837.56-2,756.34-1,720.92

Finding the Fourth Proportional to 1,837.56, 2,756.34 and 1,720.92

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Solution

The fourth proportional to 1,837.56, 2,756.34 and 1,720.92 is: 2,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.56 : 2,756.34 = 1,720.92 : x
  2. Step 2: Convert to fraction form
    1,837.56/2,756.34 = 1,720.92/x
  3. Step 3: Cross multiply
    1,837.56x = 2,756.34 × 1,720.92
  4. Step 4: Simplify right side
    1,837.56x = 4,743,440.63
  5. Step 5: Solve for x
    x = 4,743,440.63/1,837.56
  6. Step 6: Final answer
    x = 2,581.38

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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.