Home / 3,630.65-5,442.29-2,460.77

Finding the Fourth Proportional to 3,630.65, 5,442.29 and 2,460.77

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Solution

The fourth proportional to 3,630.65, 5,442.29 and 2,460.77 is: 3,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.65 : 5,442.29 = 2,460.77 : x
  2. Step 2: Convert to fraction form
    3,630.65/5,442.29 = 2,460.77/x
  3. Step 3: Cross multiply
    3,630.65x = 5,442.29 × 2,460.77
  4. Step 4: Simplify right side
    3,630.65x = 13,392,184.45
  5. Step 5: Solve for x
    x = 13,392,184.45/3,630.65
  6. Step 6: Final answer
    x = 3,688.65

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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.