Home / 3,328.10-4,985.55-2,917.70

Finding the Fourth Proportional to 3,328.10, 4,985.55 and 2,917.70

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Solution

The fourth proportional to 3,328.10, 4,985.55 and 2,917.70 is: 4,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.10 : 4,985.55 = 2,917.70 : x
  2. Step 2: Convert to fraction form
    3,328.10/4,985.55 = 2,917.70/x
  3. Step 3: Cross multiply
    3,328.10x = 4,985.55 × 2,917.70
  4. Step 4: Simplify right side
    3,328.10x = 14,546,339.24
  5. Step 5: Solve for x
    x = 14,546,339.24/3,328.10
  6. Step 6: Final answer
    x = 4,370.76

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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.