Home / 3,289.48-4,922.70-2,554.36

Finding the Fourth Proportional to 3,289.48, 4,922.70 and 2,554.36

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Solution

The fourth proportional to 3,289.48, 4,922.70 and 2,554.36 is: 3,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.48 : 4,922.70 = 2,554.36 : x
  2. Step 2: Convert to fraction form
    3,289.48/4,922.70 = 2,554.36/x
  3. Step 3: Cross multiply
    3,289.48x = 4,922.70 × 2,554.36
  4. Step 4: Simplify right side
    3,289.48x = 12,574,347.97
  5. Step 5: Solve for x
    x = 12,574,347.97/3,289.48
  6. Step 6: Final answer
    x = 3,822.59

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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.