Home / 2,048.40-3,056.82-1,635.60

Finding the Fourth Proportional to 2,048.40, 3,056.82 and 1,635.60

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Solution

The fourth proportional to 2,048.40, 3,056.82 and 1,635.60 is: 2,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.40 : 3,056.82 = 1,635.60 : x
  2. Step 2: Convert to fraction form
    2,048.40/3,056.82 = 1,635.60/x
  3. Step 3: Cross multiply
    2,048.40x = 3,056.82 × 1,635.60
  4. Step 4: Simplify right side
    2,048.40x = 4,999,734.79
  5. Step 5: Solve for x
    x = 4,999,734.79/2,048.40
  6. Step 6: Final answer
    x = 2,440.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.