Home / 2,943.78-4,415.67-1,302

Finding the Fourth Proportional to 2,943.78, 4,415.67 and 1,302

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Solution

The fourth proportional to 2,943.78, 4,415.67 and 1,302 is: 1,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.78 : 4,415.67 = 1,302 : x
  2. Step 2: Convert to fraction form
    2,943.78/4,415.67 = 1,302/x
  3. Step 3: Cross multiply
    2,943.78x = 4,415.67 × 1,302
  4. Step 4: Simplify right side
    2,943.78x = 5,749,202.34
  5. Step 5: Solve for x
    x = 5,749,202.34/2,943.78
  6. Step 6: Final answer
    x = 1,953.00

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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.