Home / 3,054.69-4,215.47-1,657.44

Finding the Fourth Proportional to 3,054.69, 4,215.47 and 1,657.44

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Solution

The fourth proportional to 3,054.69, 4,215.47 and 1,657.44 is: 2,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.69 : 4,215.47 = 1,657.44 : x
  2. Step 2: Convert to fraction form
    3,054.69/4,215.47 = 1,657.44/x
  3. Step 3: Cross multiply
    3,054.69x = 4,215.47 × 1,657.44
  4. Step 4: Simplify right side
    3,054.69x = 6,986,888.60
  5. Step 5: Solve for x
    x = 6,986,888.60/3,054.69
  6. Step 6: Final answer
    x = 2,287.27

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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.