Home / 3,312.04-4,961.55-1,922.45

Finding the Fourth Proportional to 3,312.04, 4,961.55 and 1,922.45

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Solution

The fourth proportional to 3,312.04, 4,961.55 and 1,922.45 is: 2,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.04 : 4,961.55 = 1,922.45 : x
  2. Step 2: Convert to fraction form
    3,312.04/4,961.55 = 1,922.45/x
  3. Step 3: Cross multiply
    3,312.04x = 4,961.55 × 1,922.45
  4. Step 4: Simplify right side
    3,312.04x = 9,538,331.80
  5. Step 5: Solve for x
    x = 9,538,331.80/3,312.04
  6. Step 6: Final answer
    x = 2,879.90

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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.