Home / 1,672.46-2,504.05-1,260.35

Finding the Fourth Proportional to 1,672.46, 2,504.05 and 1,260.35

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Solution

The fourth proportional to 1,672.46, 2,504.05 and 1,260.35 is: 1,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.46 : 2,504.05 = 1,260.35 : x
  2. Step 2: Convert to fraction form
    1,672.46/2,504.05 = 1,260.35/x
  3. Step 3: Cross multiply
    1,672.46x = 2,504.05 × 1,260.35
  4. Step 4: Simplify right side
    1,672.46x = 3,155,963.75
  5. Step 5: Solve for x
    x = 3,155,963.75/1,672.46
  6. Step 6: Final answer
    x = 1,887.02

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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.