Home / 3,085.44-4,258.20-1,826.88

Finding the Fourth Proportional to 3,085.44, 4,258.20 and 1,826.88

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Solution

The fourth proportional to 3,085.44, 4,258.20 and 1,826.88 is: 2,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.44 : 4,258.20 = 1,826.88 : x
  2. Step 2: Convert to fraction form
    3,085.44/4,258.20 = 1,826.88/x
  3. Step 3: Cross multiply
    3,085.44x = 4,258.20 × 1,826.88
  4. Step 4: Simplify right side
    3,085.44x = 7,779,220.42
  5. Step 5: Solve for x
    x = 7,779,220.42/3,085.44
  6. Step 6: Final answer
    x = 2,521.27

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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.