Home / 3,118.31-4,303.28-1,702.02

Finding the Fourth Proportional to 3,118.31, 4,303.28 and 1,702.02

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Solution

The fourth proportional to 3,118.31, 4,303.28 and 1,702.02 is: 2,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.31 : 4,303.28 = 1,702.02 : x
  2. Step 2: Convert to fraction form
    3,118.31/4,303.28 = 1,702.02/x
  3. Step 3: Cross multiply
    3,118.31x = 4,303.28 × 1,702.02
  4. Step 4: Simplify right side
    3,118.31x = 7,324,268.63
  5. Step 5: Solve for x
    x = 7,324,268.63/3,118.31
  6. Step 6: Final answer
    x = 2,348.79

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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.