Home / 3,418.40-5,128.96-2,032.96

Finding the Fourth Proportional to 3,418.40, 5,128.96 and 2,032.96

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Solution

The fourth proportional to 3,418.40, 5,128.96 and 2,032.96 is: 3,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.40 : 5,128.96 = 2,032.96 : x
  2. Step 2: Convert to fraction form
    3,418.40/5,128.96 = 2,032.96/x
  3. Step 3: Cross multiply
    3,418.40x = 5,128.96 × 2,032.96
  4. Step 4: Simplify right side
    3,418.40x = 10,426,970.52
  5. Step 5: Solve for x
    x = 10,426,970.52/3,418.40
  6. Step 6: Final answer
    x = 3,050.25

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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.