Home / 1,941.25-2,678.87-1,057.04

Finding the Fourth Proportional to 1,941.25, 2,678.87 and 1,057.04

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Solution

The fourth proportional to 1,941.25, 2,678.87 and 1,057.04 is: 1,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.25 : 2,678.87 = 1,057.04 : x
  2. Step 2: Convert to fraction form
    1,941.25/2,678.87 = 1,057.04/x
  3. Step 3: Cross multiply
    1,941.25x = 2,678.87 × 1,057.04
  4. Step 4: Simplify right side
    1,941.25x = 2,831,672.74
  5. Step 5: Solve for x
    x = 2,831,672.74/1,941.25
  6. Step 6: Final answer
    x = 1,458.69

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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.