Home / 2,708.83-4,055.54-1,781.60

Finding the Fourth Proportional to 2,708.83, 4,055.54 and 1,781.60

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Solution

The fourth proportional to 2,708.83, 4,055.54 and 1,781.60 is: 2,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.83 : 4,055.54 = 1,781.60 : x
  2. Step 2: Convert to fraction form
    2,708.83/4,055.54 = 1,781.60/x
  3. Step 3: Cross multiply
    2,708.83x = 4,055.54 × 1,781.60
  4. Step 4: Simplify right side
    2,708.83x = 7,225,320.88
  5. Step 5: Solve for x
    x = 7,225,320.88/2,708.83
  6. Step 6: Final answer
    x = 2,667.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.