Home / 2,270.81-3,407.03-1,117.37

Finding the Fourth Proportional to 2,270.81, 3,407.03 and 1,117.37

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Solution

The fourth proportional to 2,270.81, 3,407.03 and 1,117.37 is: 1,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.81 : 3,407.03 = 1,117.37 : x
  2. Step 2: Convert to fraction form
    2,270.81/3,407.03 = 1,117.37/x
  3. Step 3: Cross multiply
    2,270.81x = 3,407.03 × 1,117.37
  4. Step 4: Simplify right side
    2,270.81x = 3,806,920.23
  5. Step 5: Solve for x
    x = 3,806,920.23/2,270.81
  6. Step 6: Final answer
    x = 1,676.46

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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.