Home / 1,940.13-2,678.40-1,497.06

Finding the Fourth Proportional to 1,940.13, 2,678.40 and 1,497.06

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Solution

The fourth proportional to 1,940.13, 2,678.40 and 1,497.06 is: 2,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.13 : 2,678.40 = 1,497.06 : x
  2. Step 2: Convert to fraction form
    1,940.13/2,678.40 = 1,497.06/x
  3. Step 3: Cross multiply
    1,940.13x = 2,678.40 × 1,497.06
  4. Step 4: Simplify right side
    1,940.13x = 4,009,725.50
  5. Step 5: Solve for x
    x = 4,009,725.50/1,940.13
  6. Step 6: Final answer
    x = 2,066.73

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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.