Home / 2,477.70-3,419.20-1,358.62

Finding the Fourth Proportional to 2,477.70, 3,419.20 and 1,358.62

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Solution

The fourth proportional to 2,477.70, 3,419.20 and 1,358.62 is: 1,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.70 : 3,419.20 = 1,358.62 : x
  2. Step 2: Convert to fraction form
    2,477.70/3,419.20 = 1,358.62/x
  3. Step 3: Cross multiply
    2,477.70x = 3,419.20 × 1,358.62
  4. Step 4: Simplify right side
    2,477.70x = 4,645,393.50
  5. Step 5: Solve for x
    x = 4,645,393.50/2,477.70
  6. Step 6: Final answer
    x = 1,874.88

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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.