Home / 2,825.22-3,898.35-1,776.54

Finding the Fourth Proportional to 2,825.22, 3,898.35 and 1,776.54

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Solution

The fourth proportional to 2,825.22, 3,898.35 and 1,776.54 is: 2,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.22 : 3,898.35 = 1,776.54 : x
  2. Step 2: Convert to fraction form
    2,825.22/3,898.35 = 1,776.54/x
  3. Step 3: Cross multiply
    2,825.22x = 3,898.35 × 1,776.54
  4. Step 4: Simplify right side
    2,825.22x = 6,925,574.71
  5. Step 5: Solve for x
    x = 6,925,574.71/2,825.22
  6. Step 6: Final answer
    x = 2,451.34

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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.