Home / 3,646.56-5,471.68-1,456.84

Finding the Fourth Proportional to 3,646.56, 5,471.68 and 1,456.84

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Solution

The fourth proportional to 3,646.56, 5,471.68 and 1,456.84 is: 2,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.56 : 5,471.68 = 1,456.84 : x
  2. Step 2: Convert to fraction form
    3,646.56/5,471.68 = 1,456.84/x
  3. Step 3: Cross multiply
    3,646.56x = 5,471.68 × 1,456.84
  4. Step 4: Simplify right side
    3,646.56x = 7,971,362.29
  5. Step 5: Solve for x
    x = 7,971,362.29/3,646.56
  6. Step 6: Final answer
    x = 2,186.00

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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.