Home / 1,651.14-2,278.17-942.98

Finding the Fourth Proportional to 1,651.14, 2,278.17 and 942.98

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Solution

The fourth proportional to 1,651.14, 2,278.17 and 942.98 is: 1,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.14 : 2,278.17 = 942.98 : x
  2. Step 2: Convert to fraction form
    1,651.14/2,278.17 = 942.98/x
  3. Step 3: Cross multiply
    1,651.14x = 2,278.17 × 942.98
  4. Step 4: Simplify right side
    1,651.14x = 2,148,257.36
  5. Step 5: Solve for x
    x = 2,148,257.36/1,651.14
  6. Step 6: Final answer
    x = 1,301.08

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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.