Home / 2,977.26-4,461.84-1,127.38

Finding the Fourth Proportional to 2,977.26, 4,461.84 and 1,127.38

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Solution

The fourth proportional to 2,977.26, 4,461.84 and 1,127.38 is: 1,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.26 : 4,461.84 = 1,127.38 : x
  2. Step 2: Convert to fraction form
    2,977.26/4,461.84 = 1,127.38/x
  3. Step 3: Cross multiply
    2,977.26x = 4,461.84 × 1,127.38
  4. Step 4: Simplify right side
    2,977.26x = 5,030,189.18
  5. Step 5: Solve for x
    x = 5,030,189.18/2,977.26
  6. Step 6: Final answer
    x = 1,689.54

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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.