Home / 3,090.82-4,265.32-1,693.57

Finding the Fourth Proportional to 3,090.82, 4,265.32 and 1,693.57

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Solution

The fourth proportional to 3,090.82, 4,265.32 and 1,693.57 is: 2,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.82 : 4,265.32 = 1,693.57 : x
  2. Step 2: Convert to fraction form
    3,090.82/4,265.32 = 1,693.57/x
  3. Step 3: Cross multiply
    3,090.82x = 4,265.32 × 1,693.57
  4. Step 4: Simplify right side
    3,090.82x = 7,223,596.67
  5. Step 5: Solve for x
    x = 7,223,596.67/3,090.82
  6. Step 6: Final answer
    x = 2,337.12

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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.