Home / 2,477.96-3,419.44-1,358.70

Finding the Fourth Proportional to 2,477.96, 3,419.44 and 1,358.70

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Solution

The fourth proportional to 2,477.96, 3,419.44 and 1,358.70 is: 1,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.96 : 3,419.44 = 1,358.70 : x
  2. Step 2: Convert to fraction form
    2,477.96/3,419.44 = 1,358.70/x
  3. Step 3: Cross multiply
    2,477.96x = 3,419.44 × 1,358.70
  4. Step 4: Simplify right side
    2,477.96x = 4,645,993.13
  5. Step 5: Solve for x
    x = 4,645,993.13/2,477.96
  6. Step 6: Final answer
    x = 1,874.93

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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.