Home / 3,927.16-5,892.30-1,618.12

Finding the Fourth Proportional to 3,927.16, 5,892.30 and 1,618.12

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Solution

The fourth proportional to 3,927.16, 5,892.30 and 1,618.12 is: 2,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.16 : 5,892.30 = 1,618.12 : x
  2. Step 2: Convert to fraction form
    3,927.16/5,892.30 = 1,618.12/x
  3. Step 3: Cross multiply
    3,927.16x = 5,892.30 × 1,618.12
  4. Step 4: Simplify right side
    3,927.16x = 9,534,448.48
  5. Step 5: Solve for x
    x = 9,534,448.48/3,927.16
  6. Step 6: Final answer
    x = 2,427.82

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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.