Home / 2,385.36-3,291.48-1,323

Finding the Fourth Proportional to 2,385.36, 3,291.48 and 1,323

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Solution

The fourth proportional to 2,385.36, 3,291.48 and 1,323 is: 1,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.36 : 3,291.48 = 1,323 : x
  2. Step 2: Convert to fraction form
    2,385.36/3,291.48 = 1,323/x
  3. Step 3: Cross multiply
    2,385.36x = 3,291.48 × 1,323
  4. Step 4: Simplify right side
    2,385.36x = 4,354,628.04
  5. Step 5: Solve for x
    x = 4,354,628.04/2,385.36
  6. Step 6: Final answer
    x = 1,825.56

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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.