Home / 1,757.02-2,635.44-661.30

Finding the Fourth Proportional to 1,757.02, 2,635.44 and 661.30

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Solution

The fourth proportional to 1,757.02, 2,635.44 and 661.30 is: 991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.02 : 2,635.44 = 661.30 : x
  2. Step 2: Convert to fraction form
    1,757.02/2,635.44 = 661.30/x
  3. Step 3: Cross multiply
    1,757.02x = 2,635.44 × 661.30
  4. Step 4: Simplify right side
    1,757.02x = 1,742,816.47
  5. Step 5: Solve for x
    x = 1,742,816.47/1,757.02
  6. Step 6: Final answer
    x = 991.92

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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.