Home / 2,910.17-4,018.10-1,791.45

Finding the Fourth Proportional to 2,910.17, 4,018.10 and 1,791.45

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Solution

The fourth proportional to 2,910.17, 4,018.10 and 1,791.45 is: 2,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.17 : 4,018.10 = 1,791.45 : x
  2. Step 2: Convert to fraction form
    2,910.17/4,018.10 = 1,791.45/x
  3. Step 3: Cross multiply
    2,910.17x = 4,018.10 × 1,791.45
  4. Step 4: Simplify right side
    2,910.17x = 7,198,216.29
  5. Step 5: Solve for x
    x = 7,198,216.29/2,910.17
  6. Step 6: Final answer
    x = 2,473.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.