Home / 3,071.44-4,603.92-1,315.90

Finding the Fourth Proportional to 3,071.44, 4,603.92 and 1,315.90

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Solution

The fourth proportional to 3,071.44, 4,603.92 and 1,315.90 is: 1,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.44 : 4,603.92 = 1,315.90 : x
  2. Step 2: Convert to fraction form
    3,071.44/4,603.92 = 1,315.90/x
  3. Step 3: Cross multiply
    3,071.44x = 4,603.92 × 1,315.90
  4. Step 4: Simplify right side
    3,071.44x = 6,058,298.33
  5. Step 5: Solve for x
    x = 6,058,298.33/3,071.44
  6. Step 6: Final answer
    x = 1,972.46

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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.