Home / 2,068.20-2,850.78-1,625.40

Finding the Fourth Proportional to 2,068.20, 2,850.78 and 1,625.40

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Solution

The fourth proportional to 2,068.20, 2,850.78 and 1,625.40 is: 2,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.20 : 2,850.78 = 1,625.40 : x
  2. Step 2: Convert to fraction form
    2,068.20/2,850.78 = 1,625.40/x
  3. Step 3: Cross multiply
    2,068.20x = 2,850.78 × 1,625.40
  4. Step 4: Simplify right side
    2,068.20x = 4,633,657.81
  5. Step 5: Solve for x
    x = 4,633,657.81/2,068.20
  6. Step 6: Final answer
    x = 2,240.43

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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.