Home / 2,709.93-4,063.51-1,247.81

Finding the Fourth Proportional to 2,709.93, 4,063.51 and 1,247.81

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Solution

The fourth proportional to 2,709.93, 4,063.51 and 1,247.81 is: 1,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.93 : 4,063.51 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    2,709.93/4,063.51 = 1,247.81/x
  3. Step 3: Cross multiply
    2,709.93x = 4,063.51 × 1,247.81
  4. Step 4: Simplify right side
    2,709.93x = 5,070,495.45
  5. Step 5: Solve for x
    x = 5,070,495.45/2,709.93
  6. Step 6: Final answer
    x = 1,871.08

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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.