Home / 2,921.54-4,032.06-1,628.14

Finding the Fourth Proportional to 2,921.54, 4,032.06 and 1,628.14

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Solution

The fourth proportional to 2,921.54, 4,032.06 and 1,628.14 is: 2,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.54 : 4,032.06 = 1,628.14 : x
  2. Step 2: Convert to fraction form
    2,921.54/4,032.06 = 1,628.14/x
  3. Step 3: Cross multiply
    2,921.54x = 4,032.06 × 1,628.14
  4. Step 4: Simplify right side
    2,921.54x = 6,564,758.17
  5. Step 5: Solve for x
    x = 6,564,758.17/2,921.54
  6. Step 6: Final answer
    x = 2,247.02

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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.