Home / 3,210.54-4,815.78-2,565.37

Finding the Fourth Proportional to 3,210.54, 4,815.78 and 2,565.37

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Solution

The fourth proportional to 3,210.54, 4,815.78 and 2,565.37 is: 3,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.54 : 4,815.78 = 2,565.37 : x
  2. Step 2: Convert to fraction form
    3,210.54/4,815.78 = 2,565.37/x
  3. Step 3: Cross multiply
    3,210.54x = 4,815.78 × 2,565.37
  4. Step 4: Simplify right side
    3,210.54x = 12,354,257.54
  5. Step 5: Solve for x
    x = 12,354,257.54/3,210.54
  6. Step 6: Final answer
    x = 3,848.03

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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.