Home / 3,364.74-5,047.13-1,284.18

Finding the Fourth Proportional to 3,364.74, 5,047.13 and 1,284.18

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Solution

The fourth proportional to 3,364.74, 5,047.13 and 1,284.18 is: 1,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.74 : 5,047.13 = 1,284.18 : x
  2. Step 2: Convert to fraction form
    3,364.74/5,047.13 = 1,284.18/x
  3. Step 3: Cross multiply
    3,364.74x = 5,047.13 × 1,284.18
  4. Step 4: Simplify right side
    3,364.74x = 6,481,423.40
  5. Step 5: Solve for x
    x = 6,481,423.40/3,364.74
  6. Step 6: Final answer
    x = 1,926.28

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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.