Home / 2,349.77-3,243-1,355.03

Finding the Fourth Proportional to 2,349.77, 3,243 and 1,355.03

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Solution

The fourth proportional to 2,349.77, 3,243 and 1,355.03 is: 1,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.77 : 3,243 = 1,355.03 : x
  2. Step 2: Convert to fraction form
    2,349.77/3,243 = 1,355.03/x
  3. Step 3: Cross multiply
    2,349.77x = 3,243 × 1,355.03
  4. Step 4: Simplify right side
    2,349.77x = 4,394,362.29
  5. Step 5: Solve for x
    x = 4,394,362.29/2,349.77
  6. Step 6: Final answer
    x = 1,870.12

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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.