Home / 1,640.07-2,263.52-1,051.85

Finding the Fourth Proportional to 1,640.07, 2,263.52 and 1,051.85

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Solution

The fourth proportional to 1,640.07, 2,263.52 and 1,051.85 is: 1,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.07 : 2,263.52 = 1,051.85 : x
  2. Step 2: Convert to fraction form
    1,640.07/2,263.52 = 1,051.85/x
  3. Step 3: Cross multiply
    1,640.07x = 2,263.52 × 1,051.85
  4. Step 4: Simplify right side
    1,640.07x = 2,380,866.94
  5. Step 5: Solve for x
    x = 2,380,866.94/1,640.07
  6. Step 6: Final answer
    x = 1,451.69

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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.