Home / 2,104.24-2,903.70-1,318

Finding the Fourth Proportional to 2,104.24, 2,903.70 and 1,318

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Solution

The fourth proportional to 2,104.24, 2,903.70 and 1,318 is: 1,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.24 : 2,903.70 = 1,318 : x
  2. Step 2: Convert to fraction form
    2,104.24/2,903.70 = 1,318/x
  3. Step 3: Cross multiply
    2,104.24x = 2,903.70 × 1,318
  4. Step 4: Simplify right side
    2,104.24x = 3,827,076.60
  5. Step 5: Solve for x
    x = 3,827,076.60/2,104.24
  6. Step 6: Final answer
    x = 1,818.75

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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.