Home / 2,445.76-3,670.62-2,103.16

Finding the Fourth Proportional to 2,445.76, 3,670.62 and 2,103.16

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Solution

The fourth proportional to 2,445.76, 3,670.62 and 2,103.16 is: 3,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.76 : 3,670.62 = 2,103.16 : x
  2. Step 2: Convert to fraction form
    2,445.76/3,670.62 = 2,103.16/x
  3. Step 3: Cross multiply
    2,445.76x = 3,670.62 × 2,103.16
  4. Step 4: Simplify right side
    2,445.76x = 7,719,901.16
  5. Step 5: Solve for x
    x = 7,719,901.16/2,445.76
  6. Step 6: Final answer
    x = 3,156.44

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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.