Home / 3,055.06-4,215.97-1,657.81

Finding the Fourth Proportional to 3,055.06, 4,215.97 and 1,657.81

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Solution

The fourth proportional to 3,055.06, 4,215.97 and 1,657.81 is: 2,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.06 : 4,215.97 = 1,657.81 : x
  2. Step 2: Convert to fraction form
    3,055.06/4,215.97 = 1,657.81/x
  3. Step 3: Cross multiply
    3,055.06x = 4,215.97 × 1,657.81
  4. Step 4: Simplify right side
    3,055.06x = 6,989,277.23
  5. Step 5: Solve for x
    x = 6,989,277.23/3,055.06
  6. Step 6: Final answer
    x = 2,287.77

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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.