Home / 2,049.56-2,825.08-1,385.26

Finding the Fourth Proportional to 2,049.56, 2,825.08 and 1,385.26

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Solution

The fourth proportional to 2,049.56, 2,825.08 and 1,385.26 is: 1,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.56 : 2,825.08 = 1,385.26 : x
  2. Step 2: Convert to fraction form
    2,049.56/2,825.08 = 1,385.26/x
  3. Step 3: Cross multiply
    2,049.56x = 2,825.08 × 1,385.26
  4. Step 4: Simplify right side
    2,049.56x = 3,913,470.32
  5. Step 5: Solve for x
    x = 3,913,470.32/2,049.56
  6. Step 6: Final answer
    x = 1,909.42

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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.