Home / 3,116.40-4,300.46-1,937.44

Finding the Fourth Proportional to 3,116.40, 4,300.46 and 1,937.44

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Solution

The fourth proportional to 3,116.40, 4,300.46 and 1,937.44 is: 2,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.40 : 4,300.46 = 1,937.44 : x
  2. Step 2: Convert to fraction form
    3,116.40/4,300.46 = 1,937.44/x
  3. Step 3: Cross multiply
    3,116.40x = 4,300.46 × 1,937.44
  4. Step 4: Simplify right side
    3,116.40x = 8,331,883.22
  5. Step 5: Solve for x
    x = 8,331,883.22/3,116.40
  6. Step 6: Final answer
    x = 2,673.56

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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.