Home / 2,104.64-2,904.63-1,318.94

Finding the Fourth Proportional to 2,104.64, 2,904.63 and 1,318.94

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Solution

The fourth proportional to 2,104.64, 2,904.63 and 1,318.94 is: 1,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.64 : 2,904.63 = 1,318.94 : x
  2. Step 2: Convert to fraction form
    2,104.64/2,904.63 = 1,318.94/x
  3. Step 3: Cross multiply
    2,104.64x = 2,904.63 × 1,318.94
  4. Step 4: Simplify right side
    2,104.64x = 3,831,032.69
  5. Step 5: Solve for x
    x = 3,831,032.69/2,104.64
  6. Step 6: Final answer
    x = 1,820.28

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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.