Home / 2,695.28-3,720.33-1,576.67

Finding the Fourth Proportional to 2,695.28, 3,720.33 and 1,576.67

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Solution

The fourth proportional to 2,695.28, 3,720.33 and 1,576.67 is: 2,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.28 : 3,720.33 = 1,576.67 : x
  2. Step 2: Convert to fraction form
    2,695.28/3,720.33 = 1,576.67/x
  3. Step 3: Cross multiply
    2,695.28x = 3,720.33 × 1,576.67
  4. Step 4: Simplify right side
    2,695.28x = 5,865,714.10
  5. Step 5: Solve for x
    x = 5,865,714.10/2,695.28
  6. Step 6: Final answer
    x = 2,176.30

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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.