Home / 2,403.21-3,315.92-1,459.50

Finding the Fourth Proportional to 2,403.21, 3,315.92 and 1,459.50

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Solution

The fourth proportional to 2,403.21, 3,315.92 and 1,459.50 is: 2,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.21 : 3,315.92 = 1,459.50 : x
  2. Step 2: Convert to fraction form
    2,403.21/3,315.92 = 1,459.50/x
  3. Step 3: Cross multiply
    2,403.21x = 3,315.92 × 1,459.50
  4. Step 4: Simplify right side
    2,403.21x = 4,839,568.66
  5. Step 5: Solve for x
    x = 4,839,568.66/2,403.21
  6. Step 6: Final answer
    x = 2,013.80

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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.