Home / 2,564.21-3,539.79-1,501.82

Finding the Fourth Proportional to 2,564.21, 3,539.79 and 1,501.82

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Solution

The fourth proportional to 2,564.21, 3,539.79 and 1,501.82 is: 2,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.21 : 3,539.79 = 1,501.82 : x
  2. Step 2: Convert to fraction form
    2,564.21/3,539.79 = 1,501.82/x
  3. Step 3: Cross multiply
    2,564.21x = 3,539.79 × 1,501.82
  4. Step 4: Simplify right side
    2,564.21x = 5,316,140.09
  5. Step 5: Solve for x
    x = 5,316,140.09/2,564.21
  6. Step 6: Final answer
    x = 2,073.21

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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.