Home / 2,677.08-4,015.64-1,215.93

Finding the Fourth Proportional to 2,677.08, 4,015.64 and 1,215.93

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Solution

The fourth proportional to 2,677.08, 4,015.64 and 1,215.93 is: 1,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.08 : 4,015.64 = 1,215.93 : x
  2. Step 2: Convert to fraction form
    2,677.08/4,015.64 = 1,215.93/x
  3. Step 3: Cross multiply
    2,677.08x = 4,015.64 × 1,215.93
  4. Step 4: Simplify right side
    2,677.08x = 4,882,737.15
  5. Step 5: Solve for x
    x = 4,882,737.15/2,677.08
  6. Step 6: Final answer
    x = 1,823.90

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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.