Home / 3,515.80-4,852.13-1,944.20

Finding the Fourth Proportional to 3,515.80, 4,852.13 and 1,944.20

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Solution

The fourth proportional to 3,515.80, 4,852.13 and 1,944.20 is: 2,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.80 : 4,852.13 = 1,944.20 : x
  2. Step 2: Convert to fraction form
    3,515.80/4,852.13 = 1,944.20/x
  3. Step 3: Cross multiply
    3,515.80x = 4,852.13 × 1,944.20
  4. Step 4: Simplify right side
    3,515.80x = 9,433,511.15
  5. Step 5: Solve for x
    x = 9,433,511.15/3,515.80
  6. Step 6: Final answer
    x = 2,683.18

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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.