Home / 2,902.68-4,005.66-1,576.36

Finding the Fourth Proportional to 2,902.68, 4,005.66 and 1,576.36

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Solution

The fourth proportional to 2,902.68, 4,005.66 and 1,576.36 is: 2,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.68 : 4,005.66 = 1,576.36 : x
  2. Step 2: Convert to fraction form
    2,902.68/4,005.66 = 1,576.36/x
  3. Step 3: Cross multiply
    2,902.68x = 4,005.66 × 1,576.36
  4. Step 4: Simplify right side
    2,902.68x = 6,314,362.20
  5. Step 5: Solve for x
    x = 6,314,362.20/2,902.68
  6. Step 6: Final answer
    x = 2,175.36

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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.