Home / 3,435.92-4,740-2,019.60

Finding the Fourth Proportional to 3,435.92, 4,740 and 2,019.60

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Solution

The fourth proportional to 3,435.92, 4,740 and 2,019.60 is: 2,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.92 : 4,740 = 2,019.60 : x
  2. Step 2: Convert to fraction form
    3,435.92/4,740 = 2,019.60/x
  3. Step 3: Cross multiply
    3,435.92x = 4,740 × 2,019.60
  4. Step 4: Simplify right side
    3,435.92x = 9,572,904
  5. Step 5: Solve for x
    x = 9,572,904/3,435.92
  6. Step 6: Final answer
    x = 2,786.13

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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.