Home / 2,289.60-3,448.98-2,090.34

Finding the Fourth Proportional to 2,289.60, 3,448.98 and 2,090.34

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Solution

The fourth proportional to 2,289.60, 3,448.98 and 2,090.34 is: 3,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.60 : 3,448.98 = 2,090.34 : x
  2. Step 2: Convert to fraction form
    2,289.60/3,448.98 = 2,090.34/x
  3. Step 3: Cross multiply
    2,289.60x = 3,448.98 × 2,090.34
  4. Step 4: Simplify right side
    2,289.60x = 7,209,540.85
  5. Step 5: Solve for x
    x = 7,209,540.85/2,289.60
  6. Step 6: Final answer
    x = 3,148.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.