Home / 2,077.22-2,865.92-1,455.14

Finding the Fourth Proportional to 2,077.22, 2,865.92 and 1,455.14

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Solution

The fourth proportional to 2,077.22, 2,865.92 and 1,455.14 is: 2,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.22 : 2,865.92 = 1,455.14 : x
  2. Step 2: Convert to fraction form
    2,077.22/2,865.92 = 1,455.14/x
  3. Step 3: Cross multiply
    2,077.22x = 2,865.92 × 1,455.14
  4. Step 4: Simplify right side
    2,077.22x = 4,170,314.83
  5. Step 5: Solve for x
    x = 4,170,314.83/2,077.22
  6. Step 6: Final answer
    x = 2,007.64

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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.