Home / 2,620.48-3,616.12-1,441.32

Finding the Fourth Proportional to 2,620.48, 3,616.12 and 1,441.32

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Solution

The fourth proportional to 2,620.48, 3,616.12 and 1,441.32 is: 1,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.48 : 3,616.12 = 1,441.32 : x
  2. Step 2: Convert to fraction form
    2,620.48/3,616.12 = 1,441.32/x
  3. Step 3: Cross multiply
    2,620.48x = 3,616.12 × 1,441.32
  4. Step 4: Simplify right side
    2,620.48x = 5,211,986.08
  5. Step 5: Solve for x
    x = 5,211,986.08/2,620.48
  6. Step 6: Final answer
    x = 1,988.94

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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.