Home / 2,214.70-3,055.86-1,330.60

Finding the Fourth Proportional to 2,214.70, 3,055.86 and 1,330.60

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Solution

The fourth proportional to 2,214.70, 3,055.86 and 1,330.60 is: 1,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.70 : 3,055.86 = 1,330.60 : x
  2. Step 2: Convert to fraction form
    2,214.70/3,055.86 = 1,330.60/x
  3. Step 3: Cross multiply
    2,214.70x = 3,055.86 × 1,330.60
  4. Step 4: Simplify right side
    2,214.70x = 4,066,127.32
  5. Step 5: Solve for x
    x = 4,066,127.32/2,214.70
  6. Step 6: Final answer
    x = 1,835.97

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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.