Home / 1,254.37-1,871.66-1,157.44

Finding the Fourth Proportional to 1,254.37, 1,871.66 and 1,157.44

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Solution

The fourth proportional to 1,254.37, 1,871.66 and 1,157.44 is: 1,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.37 : 1,871.66 = 1,157.44 : x
  2. Step 2: Convert to fraction form
    1,254.37/1,871.66 = 1,157.44/x
  3. Step 3: Cross multiply
    1,254.37x = 1,871.66 × 1,157.44
  4. Step 4: Simplify right side
    1,254.37x = 2,166,334.15
  5. Step 5: Solve for x
    x = 2,166,334.15/1,254.37
  6. Step 6: Final answer
    x = 1,727.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.