Home / 1,400.20-1,934.94-1,050.28

Finding the Fourth Proportional to 1,400.20, 1,934.94 and 1,050.28

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Solution

The fourth proportional to 1,400.20, 1,934.94 and 1,050.28 is: 1,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.20 : 1,934.94 = 1,050.28 : x
  2. Step 2: Convert to fraction form
    1,400.20/1,934.94 = 1,050.28/x
  3. Step 3: Cross multiply
    1,400.20x = 1,934.94 × 1,050.28
  4. Step 4: Simplify right side
    1,400.20x = 2,032,228.78
  5. Step 5: Solve for x
    x = 2,032,228.78/1,400.20
  6. Step 6: Final answer
    x = 1,451.38

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1.5x scale

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.