Home / 3,055.21-4,216.19-1,657.96

Finding the Fourth Proportional to 3,055.21, 4,216.19 and 1,657.96

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Solution

The fourth proportional to 3,055.21, 4,216.19 and 1,657.96 is: 2,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.21 : 4,216.19 = 1,657.96 : x
  2. Step 2: Convert to fraction form
    3,055.21/4,216.19 = 1,657.96/x
  3. Step 3: Cross multiply
    3,055.21x = 4,216.19 × 1,657.96
  4. Step 4: Simplify right side
    3,055.21x = 6,990,278.52
  5. Step 5: Solve for x
    x = 6,990,278.52/3,055.21
  6. Step 6: Final answer
    x = 2,287.99

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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.