Home / 2,224.03-3,069.49-1,385.00

Finding the Fourth Proportional to 2,224.03, 3,069.49 and 1,385.00

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Solution

The fourth proportional to 2,224.03, 3,069.49 and 1,385.00 is: 1,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.03 : 3,069.49 = 1,385.00 : x
  2. Step 2: Convert to fraction form
    2,224.03/3,069.49 = 1,385.00/x
  3. Step 3: Cross multiply
    2,224.03x = 3,069.49 × 1,385.00
  4. Step 4: Simplify right side
    2,224.03x = 4,251,235.05
  5. Step 5: Solve for x
    x = 4,251,235.05/2,224.03
  6. Step 6: Final answer
    x = 1,911.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.