Home / 2,126.49-3,184.43-1,344.17

Finding the Fourth Proportional to 2,126.49, 3,184.43 and 1,344.17

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Solution

The fourth proportional to 2,126.49, 3,184.43 and 1,344.17 is: 2,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.49 : 3,184.43 = 1,344.17 : x
  2. Step 2: Convert to fraction form
    2,126.49/3,184.43 = 1,344.17/x
  3. Step 3: Cross multiply
    2,126.49x = 3,184.43 × 1,344.17
  4. Step 4: Simplify right side
    2,126.49x = 4,280,392.63
  5. Step 5: Solve for x
    x = 4,280,392.63/2,126.49
  6. Step 6: Final answer
    x = 2,012.89

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1.5x scale

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.