Home / 2,449.08-3,379.64-1,330.00

Finding the Fourth Proportional to 2,449.08, 3,379.64 and 1,330.00

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Solution

The fourth proportional to 2,449.08, 3,379.64 and 1,330.00 is: 1,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.08 : 3,379.64 = 1,330.00 : x
  2. Step 2: Convert to fraction form
    2,449.08/3,379.64 = 1,330.00/x
  3. Step 3: Cross multiply
    2,449.08x = 3,379.64 × 1,330.00
  4. Step 4: Simplify right side
    2,449.08x = 4,494,916.08
  5. Step 5: Solve for x
    x = 4,494,916.08/2,449.08
  6. Step 6: Final answer
    x = 1,835.35

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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.