Home / 3,090.29-4,265.39-1,895.67

Finding the Fourth Proportional to 3,090.29, 4,265.39 and 1,895.67

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Solution

The fourth proportional to 3,090.29, 4,265.39 and 1,895.67 is: 2,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.29 : 4,265.39 = 1,895.67 : x
  2. Step 2: Convert to fraction form
    3,090.29/4,265.39 = 1,895.67/x
  3. Step 3: Cross multiply
    3,090.29x = 4,265.39 × 1,895.67
  4. Step 4: Simplify right side
    3,090.29x = 8,085,776.60
  5. Step 5: Solve for x
    x = 8,085,776.60/3,090.29
  6. Step 6: Final answer
    x = 2,616.51

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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.