Home / 2,905.42-4,358.13-1,175.26

Finding the Fourth Proportional to 2,905.42, 4,358.13 and 1,175.26

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Solution

The fourth proportional to 2,905.42, 4,358.13 and 1,175.26 is: 1,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.42 : 4,358.13 = 1,175.26 : x
  2. Step 2: Convert to fraction form
    2,905.42/4,358.13 = 1,175.26/x
  3. Step 3: Cross multiply
    2,905.42x = 4,358.13 × 1,175.26
  4. Step 4: Simplify right side
    2,905.42x = 5,121,935.86
  5. Step 5: Solve for x
    x = 5,121,935.86/2,905.42
  6. Step 6: Final answer
    x = 1,762.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.