Home / 2,268.34-3,130.23-1,385.62

Finding the Fourth Proportional to 2,268.34, 3,130.23 and 1,385.62

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Solution

The fourth proportional to 2,268.34, 3,130.23 and 1,385.62 is: 1,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.34 : 3,130.23 = 1,385.62 : x
  2. Step 2: Convert to fraction form
    2,268.34/3,130.23 = 1,385.62/x
  3. Step 3: Cross multiply
    2,268.34x = 3,130.23 × 1,385.62
  4. Step 4: Simplify right side
    2,268.34x = 4,337,309.29
  5. Step 5: Solve for x
    x = 4,337,309.29/2,268.34
  6. Step 6: Final answer
    x = 1,912.11

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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.