Home / 1,637.76-2,453.25-1,090.20

Finding the Fourth Proportional to 1,637.76, 2,453.25 and 1,090.20

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Solution

The fourth proportional to 1,637.76, 2,453.25 and 1,090.20 is: 1,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.76 : 2,453.25 = 1,090.20 : x
  2. Step 2: Convert to fraction form
    1,637.76/2,453.25 = 1,090.20/x
  3. Step 3: Cross multiply
    1,637.76x = 2,453.25 × 1,090.20
  4. Step 4: Simplify right side
    1,637.76x = 2,674,533.15
  5. Step 5: Solve for x
    x = 2,674,533.15/1,637.76
  6. Step 6: Final answer
    x = 1,633.04

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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.