Home / 3,551.88-5,328.64-1,087.06

Finding the Fourth Proportional to 3,551.88, 5,328.64 and 1,087.06

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Solution

The fourth proportional to 3,551.88, 5,328.64 and 1,087.06 is: 1,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.88 : 5,328.64 = 1,087.06 : x
  2. Step 2: Convert to fraction form
    3,551.88/5,328.64 = 1,087.06/x
  3. Step 3: Cross multiply
    3,551.88x = 5,328.64 × 1,087.06
  4. Step 4: Simplify right side
    3,551.88x = 5,792,551.40
  5. Step 5: Solve for x
    x = 5,792,551.40/3,551.88
  6. Step 6: Final answer
    x = 1,630.84

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1.5x scale

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.