Home / 3,054.39-4,215.04-1,657.14

Finding the Fourth Proportional to 3,054.39, 4,215.04 and 1,657.14

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Solution

The fourth proportional to 3,054.39, 4,215.04 and 1,657.14 is: 2,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.39 : 4,215.04 = 1,657.14 : x
  2. Step 2: Convert to fraction form
    3,054.39/4,215.04 = 1,657.14/x
  3. Step 3: Cross multiply
    3,054.39x = 4,215.04 × 1,657.14
  4. Step 4: Simplify right side
    3,054.39x = 6,984,911.39
  5. Step 5: Solve for x
    x = 6,984,911.39/3,054.39
  6. Step 6: Final answer
    x = 2,286.84

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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.