Home / 1,651.07-2,278.14-1,401.98

Finding the Fourth Proportional to 1,651.07, 2,278.14 and 1,401.98

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Solution

The fourth proportional to 1,651.07, 2,278.14 and 1,401.98 is: 1,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.07 : 2,278.14 = 1,401.98 : x
  2. Step 2: Convert to fraction form
    1,651.07/2,278.14 = 1,401.98/x
  3. Step 3: Cross multiply
    1,651.07x = 2,278.14 × 1,401.98
  4. Step 4: Simplify right side
    1,651.07x = 3,193,906.72
  5. Step 5: Solve for x
    x = 3,193,906.72/1,651.07
  6. Step 6: Final answer
    x = 1,934.45

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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.