Home / 2,772.98-3,826.60-1,653.34

Finding the Fourth Proportional to 2,772.98, 3,826.60 and 1,653.34

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Solution

The fourth proportional to 2,772.98, 3,826.60 and 1,653.34 is: 2,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.98 : 3,826.60 = 1,653.34 : x
  2. Step 2: Convert to fraction form
    2,772.98/3,826.60 = 1,653.34/x
  3. Step 3: Cross multiply
    2,772.98x = 3,826.60 × 1,653.34
  4. Step 4: Simplify right side
    2,772.98x = 6,326,670.84
  5. Step 5: Solve for x
    x = 6,326,670.84/2,772.98
  6. Step 6: Final answer
    x = 2,281.54

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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.