Home / 1,935.21-2,670.82-1,816.46

Finding the Fourth Proportional to 1,935.21, 2,670.82 and 1,816.46

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Solution

The fourth proportional to 1,935.21, 2,670.82 and 1,816.46 is: 2,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.21 : 2,670.82 = 1,816.46 : x
  2. Step 2: Convert to fraction form
    1,935.21/2,670.82 = 1,816.46/x
  3. Step 3: Cross multiply
    1,935.21x = 2,670.82 × 1,816.46
  4. Step 4: Simplify right side
    1,935.21x = 4,851,429.82
  5. Step 5: Solve for x
    x = 4,851,429.82/1,935.21
  6. Step 6: Final answer
    x = 2,506.92

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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.