Home / 2,631.53-3,946.48-2,459

Finding the Fourth Proportional to 2,631.53, 3,946.48 and 2,459

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Solution

The fourth proportional to 2,631.53, 3,946.48 and 2,459 is: 3,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.53 : 3,946.48 = 2,459 : x
  2. Step 2: Convert to fraction form
    2,631.53/3,946.48 = 2,459/x
  3. Step 3: Cross multiply
    2,631.53x = 3,946.48 × 2,459
  4. Step 4: Simplify right side
    2,631.53x = 9,704,394.32
  5. Step 5: Solve for x
    x = 9,704,394.32/2,631.53
  6. Step 6: Final answer
    x = 3,687.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.