Home / 2,087.10-2,880.48-1,202.94

Finding the Fourth Proportional to 2,087.10, 2,880.48 and 1,202.94

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Solution

The fourth proportional to 2,087.10, 2,880.48 and 1,202.94 is: 1,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.10 : 2,880.48 = 1,202.94 : x
  2. Step 2: Convert to fraction form
    2,087.10/2,880.48 = 1,202.94/x
  3. Step 3: Cross multiply
    2,087.10x = 2,880.48 × 1,202.94
  4. Step 4: Simplify right side
    2,087.10x = 3,465,044.61
  5. Step 5: Solve for x
    x = 3,465,044.61/2,087.10
  6. Step 6: Final answer
    x = 1,660.22

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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.