Home / 2,355.36-3,529.44-1,259.88

Finding the Fourth Proportional to 2,355.36, 3,529.44 and 1,259.88

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Solution

The fourth proportional to 2,355.36, 3,529.44 and 1,259.88 is: 1,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.36 : 3,529.44 = 1,259.88 : x
  2. Step 2: Convert to fraction form
    2,355.36/3,529.44 = 1,259.88/x
  3. Step 3: Cross multiply
    2,355.36x = 3,529.44 × 1,259.88
  4. Step 4: Simplify right side
    2,355.36x = 4,446,670.87
  5. Step 5: Solve for x
    x = 4,446,670.87/2,355.36
  6. Step 6: Final answer
    x = 1,887.89

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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.