Home / 2,411.64-3,615.30-1,240.99

Finding the Fourth Proportional to 2,411.64, 3,615.30 and 1,240.99

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Solution

The fourth proportional to 2,411.64, 3,615.30 and 1,240.99 is: 1,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.64 : 3,615.30 = 1,240.99 : x
  2. Step 2: Convert to fraction form
    2,411.64/3,615.30 = 1,240.99/x
  3. Step 3: Cross multiply
    2,411.64x = 3,615.30 × 1,240.99
  4. Step 4: Simplify right side
    2,411.64x = 4,486,542.11
  5. Step 5: Solve for x
    x = 4,486,542.11/2,411.64
  6. Step 6: Final answer
    x = 1,860.37

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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.