Home / 2,307.49-3,185-1,313.31

Finding the Fourth Proportional to 2,307.49, 3,185 and 1,313.31

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Solution

The fourth proportional to 2,307.49, 3,185 and 1,313.31 is: 1,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.49 : 3,185 = 1,313.31 : x
  2. Step 2: Convert to fraction form
    2,307.49/3,185 = 1,313.31/x
  3. Step 3: Cross multiply
    2,307.49x = 3,185 × 1,313.31
  4. Step 4: Simplify right side
    2,307.49x = 4,182,892.35
  5. Step 5: Solve for x
    x = 4,182,892.35/2,307.49
  6. Step 6: Final answer
    x = 1,812.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.