Home / 3,340.89-5,014.40-1,698.57

Finding the Fourth Proportional to 3,340.89, 5,014.40 and 1,698.57

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Solution

The fourth proportional to 3,340.89, 5,014.40 and 1,698.57 is: 2,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.89 : 5,014.40 = 1,698.57 : x
  2. Step 2: Convert to fraction form
    3,340.89/5,014.40 = 1,698.57/x
  3. Step 3: Cross multiply
    3,340.89x = 5,014.40 × 1,698.57
  4. Step 4: Simplify right side
    3,340.89x = 8,517,300.92
  5. Step 5: Solve for x
    x = 8,517,300.92/3,340.89
  6. Step 6: Final answer
    x = 2,549.41

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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.