Home / 3,826.72-5,740.08-1,518.88

Finding the Fourth Proportional to 3,826.72, 5,740.08 and 1,518.88

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Solution

The fourth proportional to 3,826.72, 5,740.08 and 1,518.88 is: 2,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.72 : 5,740.08 = 1,518.88 : x
  2. Step 2: Convert to fraction form
    3,826.72/5,740.08 = 1,518.88/x
  3. Step 3: Cross multiply
    3,826.72x = 5,740.08 × 1,518.88
  4. Step 4: Simplify right side
    3,826.72x = 8,718,492.71
  5. Step 5: Solve for x
    x = 8,718,492.71/3,826.72
  6. Step 6: Final answer
    x = 2,278.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.