Home / 1,667.60-2,301.44-1,004.48

Finding the Fourth Proportional to 1,667.60, 2,301.44 and 1,004.48

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Solution

The fourth proportional to 1,667.60, 2,301.44 and 1,004.48 is: 1,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.60 : 2,301.44 = 1,004.48 : x
  2. Step 2: Convert to fraction form
    1,667.60/2,301.44 = 1,004.48/x
  3. Step 3: Cross multiply
    1,667.60x = 2,301.44 × 1,004.48
  4. Step 4: Simplify right side
    1,667.60x = 2,311,750.45
  5. Step 5: Solve for x
    x = 2,311,750.45/1,667.60
  6. Step 6: Final answer
    x = 1,386.27

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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.