Home / 2,977.16-4,463.09-1,126.98

Finding the Fourth Proportional to 2,977.16, 4,463.09 and 1,126.98

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Solution

The fourth proportional to 2,977.16, 4,463.09 and 1,126.98 is: 1,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.16 : 4,463.09 = 1,126.98 : x
  2. Step 2: Convert to fraction form
    2,977.16/4,463.09 = 1,126.98/x
  3. Step 3: Cross multiply
    2,977.16x = 4,463.09 × 1,126.98
  4. Step 4: Simplify right side
    2,977.16x = 5,029,813.17
  5. Step 5: Solve for x
    x = 5,029,813.17/2,977.16
  6. Step 6: Final answer
    x = 1,689.47

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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.