Home / 4,258.20-5,877.45-2,579.70

Finding the Fourth Proportional to 4,258.20, 5,877.45 and 2,579.70

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Solution

The fourth proportional to 4,258.20, 5,877.45 and 2,579.70 is: 3,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.20 : 5,877.45 = 2,579.70 : x
  2. Step 2: Convert to fraction form
    4,258.20/5,877.45 = 2,579.70/x
  3. Step 3: Cross multiply
    4,258.20x = 5,877.45 × 2,579.70
  4. Step 4: Simplify right side
    4,258.20x = 15,162,057.77
  5. Step 5: Solve for x
    x = 15,162,057.77/4,258.20
  6. Step 6: Final answer
    x = 3,560.67

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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.