Home / 2,564.70-3,539.60-1,570.11

Finding the Fourth Proportional to 2,564.70, 3,539.60 and 1,570.11

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Solution

The fourth proportional to 2,564.70, 3,539.60 and 1,570.11 is: 2,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.70 : 3,539.60 = 1,570.11 : x
  2. Step 2: Convert to fraction form
    2,564.70/3,539.60 = 1,570.11/x
  3. Step 3: Cross multiply
    2,564.70x = 3,539.60 × 1,570.11
  4. Step 4: Simplify right side
    2,564.70x = 5,557,553.51
  5. Step 5: Solve for x
    x = 5,557,553.51/2,564.70
  6. Step 6: Final answer
    x = 2,166.94

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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.