Home / 2,808.60-3,847.77-2,703.45

Finding the Fourth Proportional to 2,808.60, 3,847.77 and 2,703.45

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Solution

The fourth proportional to 2,808.60, 3,847.77 and 2,703.45 is: 3,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.60 : 3,847.77 = 2,703.45 : x
  2. Step 2: Convert to fraction form
    2,808.60/3,847.77 = 2,703.45/x
  3. Step 3: Cross multiply
    2,808.60x = 3,847.77 × 2,703.45
  4. Step 4: Simplify right side
    2,808.60x = 10,402,239.38
  5. Step 5: Solve for x
    x = 10,402,239.38/2,808.60
  6. Step 6: Final answer
    x = 3,703.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.