Home / 1,823.63-2,515.46-1,264.11

Finding the Fourth Proportional to 1,823.63, 2,515.46 and 1,264.11

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Solution

The fourth proportional to 1,823.63, 2,515.46 and 1,264.11 is: 1,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.63 : 2,515.46 = 1,264.11 : x
  2. Step 2: Convert to fraction form
    1,823.63/2,515.46 = 1,264.11/x
  3. Step 3: Cross multiply
    1,823.63x = 2,515.46 × 1,264.11
  4. Step 4: Simplify right side
    1,823.63x = 3,179,811.82
  5. Step 5: Solve for x
    x = 3,179,811.82/1,823.63
  6. Step 6: Final answer
    x = 1,743.68

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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.