Home / 2,823.54-3,897.23-1,828.86

Finding the Fourth Proportional to 2,823.54, 3,897.23 and 1,828.86

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Solution

The fourth proportional to 2,823.54, 3,897.23 and 1,828.86 is: 2,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.54 : 3,897.23 = 1,828.86 : x
  2. Step 2: Convert to fraction form
    2,823.54/3,897.23 = 1,828.86/x
  3. Step 3: Cross multiply
    2,823.54x = 3,897.23 × 1,828.86
  4. Step 4: Simplify right side
    2,823.54x = 7,127,478.91
  5. Step 5: Solve for x
    x = 7,127,478.91/2,823.54
  6. Step 6: Final answer
    x = 2,524.31

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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.