Home / 3,340.85-5,014.32-1,782.19

Finding the Fourth Proportional to 3,340.85, 5,014.32 and 1,782.19

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Solution

The fourth proportional to 3,340.85, 5,014.32 and 1,782.19 is: 2,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.85 : 5,014.32 = 1,782.19 : x
  2. Step 2: Convert to fraction form
    3,340.85/5,014.32 = 1,782.19/x
  3. Step 3: Cross multiply
    3,340.85x = 5,014.32 × 1,782.19
  4. Step 4: Simplify right side
    3,340.85x = 8,936,442.34
  5. Step 5: Solve for x
    x = 8,936,442.34/3,340.85
  6. Step 6: Final answer
    x = 2,674.90

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1.5x scale

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.