Home / 1,204.16-1,809.44-1,126.40

Finding the Fourth Proportional to 1,204.16, 1,809.44 and 1,126.40

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Solution

The fourth proportional to 1,204.16, 1,809.44 and 1,126.40 is: 1,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.16 : 1,809.44 = 1,126.40 : x
  2. Step 2: Convert to fraction form
    1,204.16/1,809.44 = 1,126.40/x
  3. Step 3: Cross multiply
    1,204.16x = 1,809.44 × 1,126.40
  4. Step 4: Simplify right side
    1,204.16x = 2,038,153.22
  5. Step 5: Solve for x
    x = 2,038,153.22/1,204.16
  6. Step 6: Final answer
    x = 1,692.59

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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.