Home / 1,941.48-2,679.14-1,057.27

Finding the Fourth Proportional to 1,941.48, 2,679.14 and 1,057.27

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Solution

The fourth proportional to 1,941.48, 2,679.14 and 1,057.27 is: 1,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.48 : 2,679.14 = 1,057.27 : x
  2. Step 2: Convert to fraction form
    1,941.48/2,679.14 = 1,057.27/x
  3. Step 3: Cross multiply
    1,941.48x = 2,679.14 × 1,057.27
  4. Step 4: Simplify right side
    1,941.48x = 2,832,574.35
  5. Step 5: Solve for x
    x = 2,832,574.35/1,941.48
  6. Step 6: Final answer
    x = 1,458.98

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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.