Home / 2,333.45-3,220.40-1,742.96

Finding the Fourth Proportional to 2,333.45, 3,220.40 and 1,742.96

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Solution

The fourth proportional to 2,333.45, 3,220.40 and 1,742.96 is: 2,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.45 : 3,220.40 = 1,742.96 : x
  2. Step 2: Convert to fraction form
    2,333.45/3,220.40 = 1,742.96/x
  3. Step 3: Cross multiply
    2,333.45x = 3,220.40 × 1,742.96
  4. Step 4: Simplify right side
    2,333.45x = 5,613,040.79
  5. Step 5: Solve for x
    x = 5,613,040.79/2,333.45
  6. Step 6: Final answer
    x = 2,405.47

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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.