Home / 2,478.84-3,717.16-1,246.02

Finding the Fourth Proportional to 2,478.84, 3,717.16 and 1,246.02

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Solution

The fourth proportional to 2,478.84, 3,717.16 and 1,246.02 is: 1,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.84 : 3,717.16 = 1,246.02 : x
  2. Step 2: Convert to fraction form
    2,478.84/3,717.16 = 1,246.02/x
  3. Step 3: Cross multiply
    2,478.84x = 3,717.16 × 1,246.02
  4. Step 4: Simplify right side
    2,478.84x = 4,631,655.70
  5. Step 5: Solve for x
    x = 4,631,655.70/2,478.84
  6. Step 6: Final answer
    x = 1,868.48

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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.