Home / 2,846.84-4,263.49-1,381.28

Finding the Fourth Proportional to 2,846.84, 4,263.49 and 1,381.28

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Solution

The fourth proportional to 2,846.84, 4,263.49 and 1,381.28 is: 2,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.84 : 4,263.49 = 1,381.28 : x
  2. Step 2: Convert to fraction form
    2,846.84/4,263.49 = 1,381.28/x
  3. Step 3: Cross multiply
    2,846.84x = 4,263.49 × 1,381.28
  4. Step 4: Simplify right side
    2,846.84x = 5,889,073.47
  5. Step 5: Solve for x
    x = 5,889,073.47/2,846.84
  6. Step 6: Final answer
    x = 2,068.64

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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.