Home / 3,054.12-4,214.72-1,656.88

Finding the Fourth Proportional to 3,054.12, 4,214.72 and 1,656.88

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Solution

The fourth proportional to 3,054.12, 4,214.72 and 1,656.88 is: 2,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.12 : 4,214.72 = 1,656.88 : x
  2. Step 2: Convert to fraction form
    3,054.12/4,214.72 = 1,656.88/x
  3. Step 3: Cross multiply
    3,054.12x = 4,214.72 × 1,656.88
  4. Step 4: Simplify right side
    3,054.12x = 6,983,285.27
  5. Step 5: Solve for x
    x = 6,983,285.27/3,054.12
  6. Step 6: Final answer
    x = 2,286.51

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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.