Home / 2,977.16-4,099.11-2,528.15

Finding the Fourth Proportional to 2,977.16, 4,099.11 and 2,528.15

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Solution

The fourth proportional to 2,977.16, 4,099.11 and 2,528.15 is: 3,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.16 : 4,099.11 = 2,528.15 : x
  2. Step 2: Convert to fraction form
    2,977.16/4,099.11 = 2,528.15/x
  3. Step 3: Cross multiply
    2,977.16x = 4,099.11 × 2,528.15
  4. Step 4: Simplify right side
    2,977.16x = 10,363,144.45
  5. Step 5: Solve for x
    x = 10,363,144.45/2,977.16
  6. Step 6: Final answer
    x = 3,480.89

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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.