Home / 2,087.34-2,880.48-1,203.09

Finding the Fourth Proportional to 2,087.34, 2,880.48 and 1,203.09

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Solution

The fourth proportional to 2,087.34, 2,880.48 and 1,203.09 is: 1,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.34 : 2,880.48 = 1,203.09 : x
  2. Step 2: Convert to fraction form
    2,087.34/2,880.48 = 1,203.09/x
  3. Step 3: Cross multiply
    2,087.34x = 2,880.48 × 1,203.09
  4. Step 4: Simplify right side
    2,087.34x = 3,465,476.68
  5. Step 5: Solve for x
    x = 3,465,476.68/2,087.34
  6. Step 6: Final answer
    x = 1,660.24

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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.