Home / 2,697.19-4,045.73-1,310.65

Finding the Fourth Proportional to 2,697.19, 4,045.73 and 1,310.65

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Solution

The fourth proportional to 2,697.19, 4,045.73 and 1,310.65 is: 1,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.19 : 4,045.73 = 1,310.65 : x
  2. Step 2: Convert to fraction form
    2,697.19/4,045.73 = 1,310.65/x
  3. Step 3: Cross multiply
    2,697.19x = 4,045.73 × 1,310.65
  4. Step 4: Simplify right side
    2,697.19x = 5,302,536.02
  5. Step 5: Solve for x
    x = 5,302,536.02/2,697.19
  6. Step 6: Final answer
    x = 1,965.95

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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.