Home / 2,459.30-3,393.75-1,340.22

Finding the Fourth Proportional to 2,459.30, 3,393.75 and 1,340.22

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Solution

The fourth proportional to 2,459.30, 3,393.75 and 1,340.22 is: 1,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.30 : 3,393.75 = 1,340.22 : x
  2. Step 2: Convert to fraction form
    2,459.30/3,393.75 = 1,340.22/x
  3. Step 3: Cross multiply
    2,459.30x = 3,393.75 × 1,340.22
  4. Step 4: Simplify right side
    2,459.30x = 4,548,366.49
  5. Step 5: Solve for x
    x = 4,548,366.49/2,459.30
  6. Step 6: Final answer
    x = 1,849.45

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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.