Home / 3,110.98-4,293.74-1,784.70

Finding the Fourth Proportional to 3,110.98, 4,293.74 and 1,784.70

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Solution

The fourth proportional to 3,110.98, 4,293.74 and 1,784.70 is: 2,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.98 : 4,293.74 = 1,784.70 : x
  2. Step 2: Convert to fraction form
    3,110.98/4,293.74 = 1,784.70/x
  3. Step 3: Cross multiply
    3,110.98x = 4,293.74 × 1,784.70
  4. Step 4: Simplify right side
    3,110.98x = 7,663,037.78
  5. Step 5: Solve for x
    x = 7,663,037.78/3,110.98
  6. Step 6: Final answer
    x = 2,463.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.