Home / 4,259.74-5,878.61-2,580.20

Finding the Fourth Proportional to 4,259.74, 5,878.61 and 2,580.20

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Solution

The fourth proportional to 4,259.74, 5,878.61 and 2,580.20 is: 3,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.74 : 5,878.61 = 2,580.20 : x
  2. Step 2: Convert to fraction form
    4,259.74/5,878.61 = 2,580.20/x
  3. Step 3: Cross multiply
    4,259.74x = 5,878.61 × 2,580.20
  4. Step 4: Simplify right side
    4,259.74x = 15,167,989.52
  5. Step 5: Solve for x
    x = 15,167,989.52/4,259.74
  6. Step 6: Final answer
    x = 3,560.78

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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.