Home / 3,054.56-4,215.28-1,657.32

Finding the Fourth Proportional to 3,054.56, 4,215.28 and 1,657.32

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Solution

The fourth proportional to 3,054.56, 4,215.28 and 1,657.32 is: 2,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.56 : 4,215.28 = 1,657.32 : x
  2. Step 2: Convert to fraction form
    3,054.56/4,215.28 = 1,657.32/x
  3. Step 3: Cross multiply
    3,054.56x = 4,215.28 × 1,657.32
  4. Step 4: Simplify right side
    3,054.56x = 6,986,067.85
  5. Step 5: Solve for x
    x = 6,986,067.85/3,054.56
  6. Step 6: Final answer
    x = 2,287.09

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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.