Home / 1,783.14-2,679.75-1,053.06

Finding the Fourth Proportional to 1,783.14, 2,679.75 and 1,053.06

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Solution

The fourth proportional to 1,783.14, 2,679.75 and 1,053.06 is: 1,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.14 : 2,679.75 = 1,053.06 : x
  2. Step 2: Convert to fraction form
    1,783.14/2,679.75 = 1,053.06/x
  3. Step 3: Cross multiply
    1,783.14x = 2,679.75 × 1,053.06
  4. Step 4: Simplify right side
    1,783.14x = 2,821,937.54
  5. Step 5: Solve for x
    x = 2,821,937.54/1,783.14
  6. Step 6: Final answer
    x = 1,582.57

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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.