Home / 2,938.07-4,415.73-2,447.63

Finding the Fourth Proportional to 2,938.07, 4,415.73 and 2,447.63

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Solution

The fourth proportional to 2,938.07, 4,415.73 and 2,447.63 is: 3,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.07 : 4,415.73 = 2,447.63 : x
  2. Step 2: Convert to fraction form
    2,938.07/4,415.73 = 2,447.63/x
  3. Step 3: Cross multiply
    2,938.07x = 4,415.73 × 2,447.63
  4. Step 4: Simplify right side
    2,938.07x = 10,808,073.22
  5. Step 5: Solve for x
    x = 10,808,073.22/2,938.07
  6. Step 6: Final answer
    x = 3,678.63

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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.