Home / 4,258.56-5,876.16-2,688.80

Finding the Fourth Proportional to 4,258.56, 5,876.16 and 2,688.80

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Solution

The fourth proportional to 4,258.56, 5,876.16 and 2,688.80 is: 3,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.56 : 5,876.16 = 2,688.80 : x
  2. Step 2: Convert to fraction form
    4,258.56/5,876.16 = 2,688.80/x
  3. Step 3: Cross multiply
    4,258.56x = 5,876.16 × 2,688.80
  4. Step 4: Simplify right side
    4,258.56x = 15,799,819.01
  5. Step 5: Solve for x
    x = 15,799,819.01/4,258.56
  6. Step 6: Final answer
    x = 3,710.13

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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.