Home / 2,835.90-3,913.30-1,576.85

Finding the Fourth Proportional to 2,835.90, 3,913.30 and 1,576.85

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Solution

The fourth proportional to 2,835.90, 3,913.30 and 1,576.85 is: 2,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.90 : 3,913.30 = 1,576.85 : x
  2. Step 2: Convert to fraction form
    2,835.90/3,913.30 = 1,576.85/x
  3. Step 3: Cross multiply
    2,835.90x = 3,913.30 × 1,576.85
  4. Step 4: Simplify right side
    2,835.90x = 6,170,687.11
  5. Step 5: Solve for x
    x = 6,170,687.11/2,835.90
  6. Step 6: Final answer
    x = 2,175.92

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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.