Home / 2,336.98-3,225.16-1,289.02

Finding the Fourth Proportional to 2,336.98, 3,225.16 and 1,289.02

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Solution

The fourth proportional to 2,336.98, 3,225.16 and 1,289.02 is: 1,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.98 : 3,225.16 = 1,289.02 : x
  2. Step 2: Convert to fraction form
    2,336.98/3,225.16 = 1,289.02/x
  3. Step 3: Cross multiply
    2,336.98x = 3,225.16 × 1,289.02
  4. Step 4: Simplify right side
    2,336.98x = 4,157,295.74
  5. Step 5: Solve for x
    x = 4,157,295.74/2,336.98
  6. Step 6: Final answer
    x = 1,778.92

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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.