Home / 4,332.10-5,978.38-2,540.64

Finding the Fourth Proportional to 4,332.10, 5,978.38 and 2,540.64

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Solution

The fourth proportional to 4,332.10, 5,978.38 and 2,540.64 is: 3,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.10 : 5,978.38 = 2,540.64 : x
  2. Step 2: Convert to fraction form
    4,332.10/5,978.38 = 2,540.64/x
  3. Step 3: Cross multiply
    4,332.10x = 5,978.38 × 2,540.64
  4. Step 4: Simplify right side
    4,332.10x = 15,188,905.01
  5. Step 5: Solve for x
    x = 15,188,905.01/4,332.10
  6. Step 6: Final answer
    x = 3,506.13

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1.5x scale

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.