Home / 2,902.53-4,005.38-1,576.21

Finding the Fourth Proportional to 2,902.53, 4,005.38 and 1,576.21

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Solution

The fourth proportional to 2,902.53, 4,005.38 and 1,576.21 is: 2,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.53 : 4,005.38 = 1,576.21 : x
  2. Step 2: Convert to fraction form
    2,902.53/4,005.38 = 1,576.21/x
  3. Step 3: Cross multiply
    2,902.53x = 4,005.38 × 1,576.21
  4. Step 4: Simplify right side
    2,902.53x = 6,313,320.01
  5. Step 5: Solve for x
    x = 6,313,320.01/2,902.53
  6. Step 6: Final answer
    x = 2,175.11

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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.