Home / 3,348.90-4,620.69-1,951.74

Finding the Fourth Proportional to 3,348.90, 4,620.69 and 1,951.74

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Solution

The fourth proportional to 3,348.90, 4,620.69 and 1,951.74 is: 2,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.90 : 4,620.69 = 1,951.74 : x
  2. Step 2: Convert to fraction form
    3,348.90/4,620.69 = 1,951.74/x
  3. Step 3: Cross multiply
    3,348.90x = 4,620.69 × 1,951.74
  4. Step 4: Simplify right side
    3,348.90x = 9,018,385.50
  5. Step 5: Solve for x
    x = 9,018,385.50/3,348.90
  6. Step 6: Final answer
    x = 2,692.94

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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.