Home / 2,087.53-2,880.92-1,203.39

Finding the Fourth Proportional to 2,087.53, 2,880.92 and 1,203.39

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Solution

The fourth proportional to 2,087.53, 2,880.92 and 1,203.39 is: 1,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.53 : 2,880.92 = 1,203.39 : x
  2. Step 2: Convert to fraction form
    2,087.53/2,880.92 = 1,203.39/x
  3. Step 3: Cross multiply
    2,087.53x = 2,880.92 × 1,203.39
  4. Step 4: Simplify right side
    2,087.53x = 3,466,873.33
  5. Step 5: Solve for x
    x = 3,466,873.33/2,087.53
  6. Step 6: Final answer
    x = 1,660.76

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1.5x scale

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.