Home / 3,212.98-4,430.91-2,031.94

Finding the Fourth Proportional to 3,212.98, 4,430.91 and 2,031.94

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Solution

The fourth proportional to 3,212.98, 4,430.91 and 2,031.94 is: 2,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.98 : 4,430.91 = 2,031.94 : x
  2. Step 2: Convert to fraction form
    3,212.98/4,430.91 = 2,031.94/x
  3. Step 3: Cross multiply
    3,212.98x = 4,430.91 × 2,031.94
  4. Step 4: Simplify right side
    3,212.98x = 9,003,343.27
  5. Step 5: Solve for x
    x = 9,003,343.27/3,212.98
  6. Step 6: Final answer
    x = 2,802.18

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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.