Home / 2,902.56-4,005.51-1,576.24

Finding the Fourth Proportional to 2,902.56, 4,005.51 and 1,576.24

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Solution

The fourth proportional to 2,902.56, 4,005.51 and 1,576.24 is: 2,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.56 : 4,005.51 = 1,576.24 : x
  2. Step 2: Convert to fraction form
    2,902.56/4,005.51 = 1,576.24/x
  3. Step 3: Cross multiply
    2,902.56x = 4,005.51 × 1,576.24
  4. Step 4: Simplify right side
    2,902.56x = 6,313,629.16
  5. Step 5: Solve for x
    x = 6,313,629.16/2,902.56
  6. Step 6: Final answer
    x = 2,175.20

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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.