Home / 1,455.60-2,004.72-1,326

Finding the Fourth Proportional to 1,455.60, 2,004.72 and 1,326

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Solution

The fourth proportional to 1,455.60, 2,004.72 and 1,326 is: 1,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.60 : 2,004.72 = 1,326 : x
  2. Step 2: Convert to fraction form
    1,455.60/2,004.72 = 1,326/x
  3. Step 3: Cross multiply
    1,455.60x = 2,004.72 × 1,326
  4. Step 4: Simplify right side
    1,455.60x = 2,658,258.72
  5. Step 5: Solve for x
    x = 2,658,258.72/1,455.60
  6. Step 6: Final answer
    x = 1,826.23

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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.