Home / 1,587.06-2,203.34-1,539.54

Finding the Fourth Proportional to 1,587.06, 2,203.34 and 1,539.54

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Solution

The fourth proportional to 1,587.06, 2,203.34 and 1,539.54 is: 2,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.06 : 2,203.34 = 1,539.54 : x
  2. Step 2: Convert to fraction form
    1,587.06/2,203.34 = 1,539.54/x
  3. Step 3: Cross multiply
    1,587.06x = 2,203.34 × 1,539.54
  4. Step 4: Simplify right side
    1,587.06x = 3,392,122.37
  5. Step 5: Solve for x
    x = 3,392,122.37/1,587.06
  6. Step 6: Final answer
    x = 2,137.36

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.