Home / 3,443.40-4,751.73-1,951.20

Finding the Fourth Proportional to 3,443.40, 4,751.73 and 1,951.20

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Solution

The fourth proportional to 3,443.40, 4,751.73 and 1,951.20 is: 2,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.40 : 4,751.73 = 1,951.20 : x
  2. Step 2: Convert to fraction form
    3,443.40/4,751.73 = 1,951.20/x
  3. Step 3: Cross multiply
    3,443.40x = 4,751.73 × 1,951.20
  4. Step 4: Simplify right side
    3,443.40x = 9,271,575.58
  5. Step 5: Solve for x
    x = 9,271,575.58/3,443.40
  6. Step 6: Final answer
    x = 2,692.56

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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.