Home / 3,090.40-4,630.12-2,567.34

Finding the Fourth Proportional to 3,090.40, 4,630.12 and 2,567.34

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Solution

The fourth proportional to 3,090.40, 4,630.12 and 2,567.34 is: 3,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.40 : 4,630.12 = 2,567.34 : x
  2. Step 2: Convert to fraction form
    3,090.40/4,630.12 = 2,567.34/x
  3. Step 3: Cross multiply
    3,090.40x = 4,630.12 × 2,567.34
  4. Step 4: Simplify right side
    3,090.40x = 11,887,092.28
  5. Step 5: Solve for x
    x = 11,887,092.28/3,090.40
  6. Step 6: Final answer
    x = 3,846.46

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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.