Home / 2,677.68-4,016.28-946.32

Finding the Fourth Proportional to 2,677.68, 4,016.28 and 946.32

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Solution

The fourth proportional to 2,677.68, 4,016.28 and 946.32 is: 1,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.68 : 4,016.28 = 946.32 : x
  2. Step 2: Convert to fraction form
    2,677.68/4,016.28 = 946.32/x
  3. Step 3: Cross multiply
    2,677.68x = 4,016.28 × 946.32
  4. Step 4: Simplify right side
    2,677.68x = 3,800,686.09
  5. Step 5: Solve for x
    x = 3,800,686.09/2,677.68
  6. Step 6: Final answer
    x = 1,419.40

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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.