Home / 1,532.39-2,297.45-491.81

Finding the Fourth Proportional to 1,532.39, 2,297.45 and 491.81

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Solution

The fourth proportional to 1,532.39, 2,297.45 and 491.81 is: 737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.39 : 2,297.45 = 491.81 : x
  2. Step 2: Convert to fraction form
    1,532.39/2,297.45 = 491.81/x
  3. Step 3: Cross multiply
    1,532.39x = 2,297.45 × 491.81
  4. Step 4: Simplify right side
    1,532.39x = 1,129,894.94
  5. Step 5: Solve for x
    x = 1,129,894.94/1,532.39
  6. Step 6: Final answer
    x = 737.34

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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.