Home / 2,235.98-3,084.80-1,647.92

Finding the Fourth Proportional to 2,235.98, 3,084.80 and 1,647.92

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Solution

The fourth proportional to 2,235.98, 3,084.80 and 1,647.92 is: 2,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.98 : 3,084.80 = 1,647.92 : x
  2. Step 2: Convert to fraction form
    2,235.98/3,084.80 = 1,647.92/x
  3. Step 3: Cross multiply
    2,235.98x = 3,084.80 × 1,647.92
  4. Step 4: Simplify right side
    2,235.98x = 5,083,503.62
  5. Step 5: Solve for x
    x = 5,083,503.62/2,235.98
  6. Step 6: Final answer
    x = 2,273.50

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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.