Home / 2,921.64-4,032.63-1,803.54

Finding the Fourth Proportional to 2,921.64, 4,032.63 and 1,803.54

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Solution

The fourth proportional to 2,921.64, 4,032.63 and 1,803.54 is: 2,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.64 : 4,032.63 = 1,803.54 : x
  2. Step 2: Convert to fraction form
    2,921.64/4,032.63 = 1,803.54/x
  3. Step 3: Cross multiply
    2,921.64x = 4,032.63 × 1,803.54
  4. Step 4: Simplify right side
    2,921.64x = 7,273,009.51
  5. Step 5: Solve for x
    x = 7,273,009.51/2,921.64
  6. Step 6: Final answer
    x = 2,489.36

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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.