Home / 3,645.78-5,032.35-2,470.02

Finding the Fourth Proportional to 3,645.78, 5,032.35 and 2,470.02

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Solution

The fourth proportional to 3,645.78, 5,032.35 and 2,470.02 is: 3,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.78 : 5,032.35 = 2,470.02 : x
  2. Step 2: Convert to fraction form
    3,645.78/5,032.35 = 2,470.02/x
  3. Step 3: Cross multiply
    3,645.78x = 5,032.35 × 2,470.02
  4. Step 4: Simplify right side
    3,645.78x = 12,430,005.15
  5. Step 5: Solve for x
    x = 12,430,005.15/3,645.78
  6. Step 6: Final answer
    x = 3,409.42

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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.