Home / 2,460.84-3,680.55-2,157.36

Finding the Fourth Proportional to 2,460.84, 3,680.55 and 2,157.36

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Solution

The fourth proportional to 2,460.84, 3,680.55 and 2,157.36 is: 3,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.84 : 3,680.55 = 2,157.36 : x
  2. Step 2: Convert to fraction form
    2,460.84/3,680.55 = 2,157.36/x
  3. Step 3: Cross multiply
    2,460.84x = 3,680.55 × 2,157.36
  4. Step 4: Simplify right side
    2,460.84x = 7,940,271.35
  5. Step 5: Solve for x
    x = 7,940,271.35/2,460.84
  6. Step 6: Final answer
    x = 3,226.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.