Home / 3,010.49-4,155.52-2,069.40

Finding the Fourth Proportional to 3,010.49, 4,155.52 and 2,069.40

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Solution

The fourth proportional to 3,010.49, 4,155.52 and 2,069.40 is: 2,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.49 : 4,155.52 = 2,069.40 : x
  2. Step 2: Convert to fraction form
    3,010.49/4,155.52 = 2,069.40/x
  3. Step 3: Cross multiply
    3,010.49x = 4,155.52 × 2,069.40
  4. Step 4: Simplify right side
    3,010.49x = 8,599,433.09
  5. Step 5: Solve for x
    x = 8,599,433.09/3,010.49
  6. Step 6: Final answer
    x = 2,856.49

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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.