Home / 2,713.21-4,070.72-1,068.86

Finding the Fourth Proportional to 2,713.21, 4,070.72 and 1,068.86

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Solution

The fourth proportional to 2,713.21, 4,070.72 and 1,068.86 is: 1,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.21 : 4,070.72 = 1,068.86 : x
  2. Step 2: Convert to fraction form
    2,713.21/4,070.72 = 1,068.86/x
  3. Step 3: Cross multiply
    2,713.21x = 4,070.72 × 1,068.86
  4. Step 4: Simplify right side
    2,713.21x = 4,351,042.63
  5. Step 5: Solve for x
    x = 4,351,042.63/2,713.21
  6. Step 6: Final answer
    x = 1,603.65

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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.