Home / 2,376.18-3,279.08-1,313.98

Finding the Fourth Proportional to 2,376.18, 3,279.08 and 1,313.98

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Solution

The fourth proportional to 2,376.18, 3,279.08 and 1,313.98 is: 1,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.18 : 3,279.08 = 1,313.98 : x
  2. Step 2: Convert to fraction form
    2,376.18/3,279.08 = 1,313.98/x
  3. Step 3: Cross multiply
    2,376.18x = 3,279.08 × 1,313.98
  4. Step 4: Simplify right side
    2,376.18x = 4,308,639.38
  5. Step 5: Solve for x
    x = 4,308,639.38/2,376.18
  6. Step 6: Final answer
    x = 1,813.27

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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.