Home / 1,941.33-2,678.95-1,057.08

Finding the Fourth Proportional to 1,941.33, 2,678.95 and 1,057.08

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Solution

The fourth proportional to 1,941.33, 2,678.95 and 1,057.08 is: 1,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.33 : 2,678.95 = 1,057.08 : x
  2. Step 2: Convert to fraction form
    1,941.33/2,678.95 = 1,057.08/x
  3. Step 3: Cross multiply
    1,941.33x = 2,678.95 × 1,057.08
  4. Step 4: Simplify right side
    1,941.33x = 2,831,864.47
  5. Step 5: Solve for x
    x = 2,831,864.47/1,941.33
  6. Step 6: Final answer
    x = 1,458.72

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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.