Home / 3,582.78-4,944.51-2,185.50

Finding the Fourth Proportional to 3,582.78, 4,944.51 and 2,185.50

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Solution

The fourth proportional to 3,582.78, 4,944.51 and 2,185.50 is: 3,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.78 : 4,944.51 = 2,185.50 : x
  2. Step 2: Convert to fraction form
    3,582.78/4,944.51 = 2,185.50/x
  3. Step 3: Cross multiply
    3,582.78x = 4,944.51 × 2,185.50
  4. Step 4: Simplify right side
    3,582.78x = 10,806,226.61
  5. Step 5: Solve for x
    x = 10,806,226.61/3,582.78
  6. Step 6: Final answer
    x = 3,016.16

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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.