Home / 3,087.76-4,628.40-2,355.70

Finding the Fourth Proportional to 3,087.76, 4,628.40 and 2,355.70

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Solution

The fourth proportional to 3,087.76, 4,628.40 and 2,355.70 is: 3,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.76 : 4,628.40 = 2,355.70 : x
  2. Step 2: Convert to fraction form
    3,087.76/4,628.40 = 2,355.70/x
  3. Step 3: Cross multiply
    3,087.76x = 4,628.40 × 2,355.70
  4. Step 4: Simplify right side
    3,087.76x = 10,903,121.88
  5. Step 5: Solve for x
    x = 10,903,121.88/3,087.76
  6. Step 6: Final answer
    x = 3,531.08

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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.