Home / 2,709.15-4,064.03-1,478.36

Finding the Fourth Proportional to 2,709.15, 4,064.03 and 1,478.36

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Solution

The fourth proportional to 2,709.15, 4,064.03 and 1,478.36 is: 2,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.15 : 4,064.03 = 1,478.36 : x
  2. Step 2: Convert to fraction form
    2,709.15/4,064.03 = 1,478.36/x
  3. Step 3: Cross multiply
    2,709.15x = 4,064.03 × 1,478.36
  4. Step 4: Simplify right side
    2,709.15x = 6,008,071.68
  5. Step 5: Solve for x
    x = 6,008,071.68/2,709.15
  6. Step 6: Final answer
    x = 2,217.70

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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.