Home / 2,977.32-4,461.12-2,863.56

Finding the Fourth Proportional to 2,977.32, 4,461.12 and 2,863.56

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Solution

The fourth proportional to 2,977.32, 4,461.12 and 2,863.56 is: 4,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.32 : 4,461.12 = 2,863.56 : x
  2. Step 2: Convert to fraction form
    2,977.32/4,461.12 = 2,863.56/x
  3. Step 3: Cross multiply
    2,977.32x = 4,461.12 × 2,863.56
  4. Step 4: Simplify right side
    2,977.32x = 12,774,684.79
  5. Step 5: Solve for x
    x = 12,774,684.79/2,977.32
  6. Step 6: Final answer
    x = 4,290.67

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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.