Home / 2,479.98-3,422.26-1,485.81

Finding the Fourth Proportional to 2,479.98, 3,422.26 and 1,485.81

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Solution

The fourth proportional to 2,479.98, 3,422.26 and 1,485.81 is: 2,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.98 : 3,422.26 = 1,485.81 : x
  2. Step 2: Convert to fraction form
    2,479.98/3,422.26 = 1,485.81/x
  3. Step 3: Cross multiply
    2,479.98x = 3,422.26 × 1,485.81
  4. Step 4: Simplify right side
    2,479.98x = 5,084,828.13
  5. Step 5: Solve for x
    x = 5,084,828.13/2,479.98
  6. Step 6: Final answer
    x = 2,050.35

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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.