Home / 4,245.28-5,859.36-2,672.32

Finding the Fourth Proportional to 4,245.28, 5,859.36 and 2,672.32

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Solution

The fourth proportional to 4,245.28, 5,859.36 and 2,672.32 is: 3,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.28 : 5,859.36 = 2,672.32 : x
  2. Step 2: Convert to fraction form
    4,245.28/5,859.36 = 2,672.32/x
  3. Step 3: Cross multiply
    4,245.28x = 5,859.36 × 2,672.32
  4. Step 4: Simplify right side
    4,245.28x = 15,658,084.92
  5. Step 5: Solve for x
    x = 15,658,084.92/4,245.28
  6. Step 6: Final answer
    x = 3,688.35

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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.