Home / 1,635.14-2,254.96-1,261.53

Finding the Fourth Proportional to 1,635.14, 2,254.96 and 1,261.53

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Solution

The fourth proportional to 1,635.14, 2,254.96 and 1,261.53 is: 1,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.14 : 2,254.96 = 1,261.53 : x
  2. Step 2: Convert to fraction form
    1,635.14/2,254.96 = 1,261.53/x
  3. Step 3: Cross multiply
    1,635.14x = 2,254.96 × 1,261.53
  4. Step 4: Simplify right side
    1,635.14x = 2,844,699.69
  5. Step 5: Solve for x
    x = 2,844,699.69/1,635.14
  6. Step 6: Final answer
    x = 1,739.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.