Home / 4,078.55-5,628.62-2,400.10

Finding the Fourth Proportional to 4,078.55, 5,628.62 and 2,400.10

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Solution

The fourth proportional to 4,078.55, 5,628.62 and 2,400.10 is: 3,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.55 : 5,628.62 = 2,400.10 : x
  2. Step 2: Convert to fraction form
    4,078.55/5,628.62 = 2,400.10/x
  3. Step 3: Cross multiply
    4,078.55x = 5,628.62 × 2,400.10
  4. Step 4: Simplify right side
    4,078.55x = 13,509,250.86
  5. Step 5: Solve for x
    x = 13,509,250.86/4,078.55
  6. Step 6: Final answer
    x = 3,312.27

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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.