Home / 2,620.32-3,616.14-1,736.40

Finding the Fourth Proportional to 2,620.32, 3,616.14 and 1,736.40

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Solution

The fourth proportional to 2,620.32, 3,616.14 and 1,736.40 is: 2,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.32 : 3,616.14 = 1,736.40 : x
  2. Step 2: Convert to fraction form
    2,620.32/3,616.14 = 1,736.40/x
  3. Step 3: Cross multiply
    2,620.32x = 3,616.14 × 1,736.40
  4. Step 4: Simplify right side
    2,620.32x = 6,279,065.50
  5. Step 5: Solve for x
    x = 6,279,065.50/2,620.32
  6. Step 6: Final answer
    x = 2,396.30

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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.