Home / 2,160.05-3,239.96-1,235.02

Finding the Fourth Proportional to 2,160.05, 3,239.96 and 1,235.02

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Solution

The fourth proportional to 2,160.05, 3,239.96 and 1,235.02 is: 1,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.05 : 3,239.96 = 1,235.02 : x
  2. Step 2: Convert to fraction form
    2,160.05/3,239.96 = 1,235.02/x
  3. Step 3: Cross multiply
    2,160.05x = 3,239.96 × 1,235.02
  4. Step 4: Simplify right side
    2,160.05x = 4,001,419.79
  5. Step 5: Solve for x
    x = 4,001,419.79/2,160.05
  6. Step 6: Final answer
    x = 1,852.47

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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.