Home / 1,656.38-2,285.94-1,126.43

Finding the Fourth Proportional to 1,656.38, 2,285.94 and 1,126.43

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Solution

The fourth proportional to 1,656.38, 2,285.94 and 1,126.43 is: 1,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.38 : 2,285.94 = 1,126.43 : x
  2. Step 2: Convert to fraction form
    1,656.38/2,285.94 = 1,126.43/x
  3. Step 3: Cross multiply
    1,656.38x = 2,285.94 × 1,126.43
  4. Step 4: Simplify right side
    1,656.38x = 2,574,960.87
  5. Step 5: Solve for x
    x = 2,574,960.87/1,656.38
  6. Step 6: Final answer
    x = 1,554.57

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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.