Home / 2,486.28-3,730.26-1,560.76

Finding the Fourth Proportional to 2,486.28, 3,730.26 and 1,560.76

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Solution

The fourth proportional to 2,486.28, 3,730.26 and 1,560.76 is: 2,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.28 : 3,730.26 = 1,560.76 : x
  2. Step 2: Convert to fraction form
    2,486.28/3,730.26 = 1,560.76/x
  3. Step 3: Cross multiply
    2,486.28x = 3,730.26 × 1,560.76
  4. Step 4: Simplify right side
    2,486.28x = 5,822,040.60
  5. Step 5: Solve for x
    x = 5,822,040.60/2,486.28
  6. Step 6: Final answer
    x = 2,341.67

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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.