Home / 1,259.08-1,885.74-1,199.56

Finding the Fourth Proportional to 1,259.08, 1,885.74 and 1,199.56

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Solution

The fourth proportional to 1,259.08, 1,885.74 and 1,199.56 is: 1,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.08 : 1,885.74 = 1,199.56 : x
  2. Step 2: Convert to fraction form
    1,259.08/1,885.74 = 1,199.56/x
  3. Step 3: Cross multiply
    1,259.08x = 1,885.74 × 1,199.56
  4. Step 4: Simplify right side
    1,259.08x = 2,262,058.27
  5. Step 5: Solve for x
    x = 2,262,058.27/1,259.08
  6. Step 6: Final answer
    x = 1,796.60

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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.