Home / 4,259.20-5,877.80-2,580.90

Finding the Fourth Proportional to 4,259.20, 5,877.80 and 2,580.90

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Solution

The fourth proportional to 4,259.20, 5,877.80 and 2,580.90 is: 3,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.20 : 5,877.80 = 2,580.90 : x
  2. Step 2: Convert to fraction form
    4,259.20/5,877.80 = 2,580.90/x
  3. Step 3: Cross multiply
    4,259.20x = 5,877.80 × 2,580.90
  4. Step 4: Simplify right side
    4,259.20x = 15,170,014.02
  5. Step 5: Solve for x
    x = 15,170,014.02/4,259.20
  6. Step 6: Final answer
    x = 3,561.71

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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.