Home / 2,703.26-4,054.75-947.72

Finding the Fourth Proportional to 2,703.26, 4,054.75 and 947.72

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Solution

The fourth proportional to 2,703.26, 4,054.75 and 947.72 is: 1,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.26 : 4,054.75 = 947.72 : x
  2. Step 2: Convert to fraction form
    2,703.26/4,054.75 = 947.72/x
  3. Step 3: Cross multiply
    2,703.26x = 4,054.75 × 947.72
  4. Step 4: Simplify right side
    2,703.26x = 3,842,775.44
  5. Step 5: Solve for x
    x = 3,842,775.44/2,703.26
  6. Step 6: Final answer
    x = 1,421.53

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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.