Home / 3,055.13-4,216.07-1,657.88

Finding the Fourth Proportional to 3,055.13, 4,216.07 and 1,657.88

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Solution

The fourth proportional to 3,055.13, 4,216.07 and 1,657.88 is: 2,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.13 : 4,216.07 = 1,657.88 : x
  2. Step 2: Convert to fraction form
    3,055.13/4,216.07 = 1,657.88/x
  3. Step 3: Cross multiply
    3,055.13x = 4,216.07 × 1,657.88
  4. Step 4: Simplify right side
    3,055.13x = 6,989,721.20
  5. Step 5: Solve for x
    x = 6,989,721.20/3,055.13
  6. Step 6: Final answer
    x = 2,287.87

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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.