Home / 2,054-2,834.52-1,319.28

Finding the Fourth Proportional to 2,054, 2,834.52 and 1,319.28

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Solution

The fourth proportional to 2,054, 2,834.52 and 1,319.28 is: 1,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054 : 2,834.52 = 1,319.28 : x
  2. Step 2: Convert to fraction form
    2,054/2,834.52 = 1,319.28/x
  3. Step 3: Cross multiply
    2,054x = 2,834.52 × 1,319.28
  4. Step 4: Simplify right side
    2,054x = 3,739,525.55
  5. Step 5: Solve for x
    x = 3,739,525.55/2,054
  6. Step 6: Final answer
    x = 1,820.61

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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.