Home / 2,214.74-3,055.64-1,657.05

Finding the Fourth Proportional to 2,214.74, 3,055.64 and 1,657.05

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Solution

The fourth proportional to 2,214.74, 3,055.64 and 1,657.05 is: 2,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.74 : 3,055.64 = 1,657.05 : x
  2. Step 2: Convert to fraction form
    2,214.74/3,055.64 = 1,657.05/x
  3. Step 3: Cross multiply
    2,214.74x = 3,055.64 × 1,657.05
  4. Step 4: Simplify right side
    2,214.74x = 5,063,339.98
  5. Step 5: Solve for x
    x = 5,063,339.98/2,214.74
  6. Step 6: Final answer
    x = 2,286.21

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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.