Home / 1,697.82-2,341.95-1,122.92

Finding the Fourth Proportional to 1,697.82, 2,341.95 and 1,122.92

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Solution

The fourth proportional to 1,697.82, 2,341.95 and 1,122.92 is: 1,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.82 : 2,341.95 = 1,122.92 : x
  2. Step 2: Convert to fraction form
    1,697.82/2,341.95 = 1,122.92/x
  3. Step 3: Cross multiply
    1,697.82x = 2,341.95 × 1,122.92
  4. Step 4: Simplify right side
    1,697.82x = 2,629,810.78
  5. Step 5: Solve for x
    x = 2,629,810.78/1,697.82
  6. Step 6: Final answer
    x = 1,548.93

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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.