Home / 3,385.19-5,070.58-1,923.59

Finding the Fourth Proportional to 3,385.19, 5,070.58 and 1,923.59

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Solution

The fourth proportional to 3,385.19, 5,070.58 and 1,923.59 is: 2,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.19 : 5,070.58 = 1,923.59 : x
  2. Step 2: Convert to fraction form
    3,385.19/5,070.58 = 1,923.59/x
  3. Step 3: Cross multiply
    3,385.19x = 5,070.58 × 1,923.59
  4. Step 4: Simplify right side
    3,385.19x = 9,753,716.98
  5. Step 5: Solve for x
    x = 9,753,716.98/3,385.19
  6. Step 6: Final answer
    x = 2,881.29

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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.