Home / 2,880.56-4,338.54-2,677.76

Finding the Fourth Proportional to 2,880.56, 4,338.54 and 2,677.76

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Solution

The fourth proportional to 2,880.56, 4,338.54 and 2,677.76 is: 4,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.56 : 4,338.54 = 2,677.76 : x
  2. Step 2: Convert to fraction form
    2,880.56/4,338.54 = 2,677.76/x
  3. Step 3: Cross multiply
    2,880.56x = 4,338.54 × 2,677.76
  4. Step 4: Simplify right side
    2,880.56x = 11,617,568.87
  5. Step 5: Solve for x
    x = 11,617,568.87/2,880.56
  6. Step 6: Final answer
    x = 4,033.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.