Home / 2,564.48-3,539.56-1,679.77

Finding the Fourth Proportional to 2,564.48, 3,539.56 and 1,679.77

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Solution

The fourth proportional to 2,564.48, 3,539.56 and 1,679.77 is: 2,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.48 : 3,539.56 = 1,679.77 : x
  2. Step 2: Convert to fraction form
    2,564.48/3,539.56 = 1,679.77/x
  3. Step 3: Cross multiply
    2,564.48x = 3,539.56 × 1,679.77
  4. Step 4: Simplify right side
    2,564.48x = 5,945,646.70
  5. Step 5: Solve for x
    x = 5,945,646.70/2,564.48
  6. Step 6: Final answer
    x = 2,318.46

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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.