Home / 1,678.39-2,518.49-1,062.38

Finding the Fourth Proportional to 1,678.39, 2,518.49 and 1,062.38

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Solution

The fourth proportional to 1,678.39, 2,518.49 and 1,062.38 is: 1,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678.39 : 2,518.49 = 1,062.38 : x
  2. Step 2: Convert to fraction form
    1,678.39/2,518.49 = 1,062.38/x
  3. Step 3: Cross multiply
    1,678.39x = 2,518.49 × 1,062.38
  4. Step 4: Simplify right side
    1,678.39x = 2,675,602.36
  5. Step 5: Solve for x
    x = 2,675,602.36/1,678.39
  6. Step 6: Final answer
    x = 1,594.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.