Home / 2,977.56-4,467.15-1,880.42

Finding the Fourth Proportional to 2,977.56, 4,467.15 and 1,880.42

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Solution

The fourth proportional to 2,977.56, 4,467.15 and 1,880.42 is: 2,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.56 : 4,467.15 = 1,880.42 : x
  2. Step 2: Convert to fraction form
    2,977.56/4,467.15 = 1,880.42/x
  3. Step 3: Cross multiply
    2,977.56x = 4,467.15 × 1,880.42
  4. Step 4: Simplify right side
    2,977.56x = 8,400,095.87
  5. Step 5: Solve for x
    x = 8,400,095.87/2,977.56
  6. Step 6: Final answer
    x = 2,821.13

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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.