Home / 3,118.36-4,303.25-1,702.09

Finding the Fourth Proportional to 3,118.36, 4,303.25 and 1,702.09

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Solution

The fourth proportional to 3,118.36, 4,303.25 and 1,702.09 is: 2,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.36 : 4,303.25 = 1,702.09 : x
  2. Step 2: Convert to fraction form
    3,118.36/4,303.25 = 1,702.09/x
  3. Step 3: Cross multiply
    3,118.36x = 4,303.25 × 1,702.09
  4. Step 4: Simplify right side
    3,118.36x = 7,324,518.79
  5. Step 5: Solve for x
    x = 7,324,518.79/3,118.36
  6. Step 6: Final answer
    x = 2,348.84

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1.5x scale

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.