Home / 1,576.62-2,176.01-913.83

Finding the Fourth Proportional to 1,576.62, 2,176.01 and 913.83

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Solution

The fourth proportional to 1,576.62, 2,176.01 and 913.83 is: 1,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.62 : 2,176.01 = 913.83 : x
  2. Step 2: Convert to fraction form
    1,576.62/2,176.01 = 913.83/x
  3. Step 3: Cross multiply
    1,576.62x = 2,176.01 × 913.83
  4. Step 4: Simplify right side
    1,576.62x = 1,988,498.65
  5. Step 5: Solve for x
    x = 1,988,498.65/1,576.62
  6. Step 6: Final answer
    x = 1,261.24

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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.