Home / 3,087.13-4,630.60-1,355.76

Finding the Fourth Proportional to 3,087.13, 4,630.60 and 1,355.76

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Solution

The fourth proportional to 3,087.13, 4,630.60 and 1,355.76 is: 2,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.13 : 4,630.60 = 1,355.76 : x
  2. Step 2: Convert to fraction form
    3,087.13/4,630.60 = 1,355.76/x
  3. Step 3: Cross multiply
    3,087.13x = 4,630.60 × 1,355.76
  4. Step 4: Simplify right side
    3,087.13x = 6,277,982.26
  5. Step 5: Solve for x
    x = 6,277,982.26/3,087.13
  6. Step 6: Final answer
    x = 2,033.60

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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.