Home / 2,124.24-3,180.69-1,246.02

Finding the Fourth Proportional to 2,124.24, 3,180.69 and 1,246.02

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Solution

The fourth proportional to 2,124.24, 3,180.69 and 1,246.02 is: 1,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.24 : 3,180.69 = 1,246.02 : x
  2. Step 2: Convert to fraction form
    2,124.24/3,180.69 = 1,246.02/x
  3. Step 3: Cross multiply
    2,124.24x = 3,180.69 × 1,246.02
  4. Step 4: Simplify right side
    2,124.24x = 3,963,203.35
  5. Step 5: Solve for x
    x = 3,963,203.35/2,124.24
  6. Step 6: Final answer
    x = 1,865.70

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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.