Home / 2,348.40-3,520.44-1,116.39

Finding the Fourth Proportional to 2,348.40, 3,520.44 and 1,116.39

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Solution

The fourth proportional to 2,348.40, 3,520.44 and 1,116.39 is: 1,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.40 : 3,520.44 = 1,116.39 : x
  2. Step 2: Convert to fraction form
    2,348.40/3,520.44 = 1,116.39/x
  3. Step 3: Cross multiply
    2,348.40x = 3,520.44 × 1,116.39
  4. Step 4: Simplify right side
    2,348.40x = 3,930,184.01
  5. Step 5: Solve for x
    x = 3,930,184.01/2,348.40
  6. Step 6: Final answer
    x = 1,673.56

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1.5x scale

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.