Home / 2,569.44-3,860.52-1,645.40

Finding the Fourth Proportional to 2,569.44, 3,860.52 and 1,645.40

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Solution

The fourth proportional to 2,569.44, 3,860.52 and 1,645.40 is: 2,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.44 : 3,860.52 = 1,645.40 : x
  2. Step 2: Convert to fraction form
    2,569.44/3,860.52 = 1,645.40/x
  3. Step 3: Cross multiply
    2,569.44x = 3,860.52 × 1,645.40
  4. Step 4: Simplify right side
    2,569.44x = 6,352,099.61
  5. Step 5: Solve for x
    x = 6,352,099.61/2,569.44
  6. Step 6: Final answer
    x = 2,472.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.