Home / 1,400.52-1,934.40-1,026.96

Finding the Fourth Proportional to 1,400.52, 1,934.40 and 1,026.96

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Solution

The fourth proportional to 1,400.52, 1,934.40 and 1,026.96 is: 1,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.52 : 1,934.40 = 1,026.96 : x
  2. Step 2: Convert to fraction form
    1,400.52/1,934.40 = 1,026.96/x
  3. Step 3: Cross multiply
    1,400.52x = 1,934.40 × 1,026.96
  4. Step 4: Simplify right side
    1,400.52x = 1,986,551.42
  5. Step 5: Solve for x
    x = 1,986,551.42/1,400.52
  6. Step 6: Final answer
    x = 1,418.44

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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.