Home / 2,697.05-4,045.52-1,215.44

Finding the Fourth Proportional to 2,697.05, 4,045.52 and 1,215.44

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Solution

The fourth proportional to 2,697.05, 4,045.52 and 1,215.44 is: 1,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.05 : 4,045.52 = 1,215.44 : x
  2. Step 2: Convert to fraction form
    2,697.05/4,045.52 = 1,215.44/x
  3. Step 3: Cross multiply
    2,697.05x = 4,045.52 × 1,215.44
  4. Step 4: Simplify right side
    2,697.05x = 4,917,099.98
  5. Step 5: Solve for x
    x = 4,917,099.98/2,697.05
  6. Step 6: Final answer
    x = 1,823.14

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1.5x scale

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.