Home / 3,054.74-4,215.54-1,657.49

Finding the Fourth Proportional to 3,054.74, 4,215.54 and 1,657.49

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Solution

The fourth proportional to 3,054.74, 4,215.54 and 1,657.49 is: 2,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.74 : 4,215.54 = 1,657.49 : x
  2. Step 2: Convert to fraction form
    3,054.74/4,215.54 = 1,657.49/x
  3. Step 3: Cross multiply
    3,054.74x = 4,215.54 × 1,657.49
  4. Step 4: Simplify right side
    3,054.74x = 6,987,186.03
  5. Step 5: Solve for x
    x = 6,987,186.03/3,054.74
  6. Step 6: Final answer
    x = 2,287.33

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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.