Home / 3,315.81-4,973.31-1,367.76

Finding the Fourth Proportional to 3,315.81, 4,973.31 and 1,367.76

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Solution

The fourth proportional to 3,315.81, 4,973.31 and 1,367.76 is: 2,051.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.81 : 4,973.31 = 1,367.76 : x
  2. Step 2: Convert to fraction form
    3,315.81/4,973.31 = 1,367.76/x
  3. Step 3: Cross multiply
    3,315.81x = 4,973.31 × 1,367.76
  4. Step 4: Simplify right side
    3,315.81x = 6,802,294.49
  5. Step 5: Solve for x
    x = 6,802,294.49/3,315.81
  6. Step 6: Final answer
    x = 2,051.47

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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.