Home / 3,381.12-4,665.96-1,888.79

Finding the Fourth Proportional to 3,381.12, 4,665.96 and 1,888.79

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Solution

The fourth proportional to 3,381.12, 4,665.96 and 1,888.79 is: 2,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.12 : 4,665.96 = 1,888.79 : x
  2. Step 2: Convert to fraction form
    3,381.12/4,665.96 = 1,888.79/x
  3. Step 3: Cross multiply
    3,381.12x = 4,665.96 × 1,888.79
  4. Step 4: Simplify right side
    3,381.12x = 8,812,995.26
  5. Step 5: Solve for x
    x = 8,812,995.26/3,381.12
  6. Step 6: Final answer
    x = 2,606.53

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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.