Home / 3,303.16-4,950-1,987.46

Finding the Fourth Proportional to 3,303.16, 4,950 and 1,987.46

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Solution

The fourth proportional to 3,303.16, 4,950 and 1,987.46 is: 2,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.16 : 4,950 = 1,987.46 : x
  2. Step 2: Convert to fraction form
    3,303.16/4,950 = 1,987.46/x
  3. Step 3: Cross multiply
    3,303.16x = 4,950 × 1,987.46
  4. Step 4: Simplify right side
    3,303.16x = 9,837,927
  5. Step 5: Solve for x
    x = 9,837,927/3,303.16
  6. Step 6: Final answer
    x = 2,978.34

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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.