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Finding the Fourth Proportional to 2,100.06, 3,150.41 and 713.59

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Solution

The fourth proportional to 2,100.06, 3,150.41 and 713.59 is: 1,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.06 : 3,150.41 = 713.59 : x
  2. Step 2: Convert to fraction form
    2,100.06/3,150.41 = 713.59/x
  3. Step 3: Cross multiply
    2,100.06x = 3,150.41 × 713.59
  4. Step 4: Simplify right side
    2,100.06x = 2,248,089.63
  5. Step 5: Solve for x
    x = 2,248,089.63/2,100.06
  6. Step 6: Final answer
    x = 1,070.49

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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.