Home / 1,665.05-2,497.58-1,562.45

Finding the Fourth Proportional to 1,665.05, 2,497.58 and 1,562.45

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Solution

The fourth proportional to 1,665.05, 2,497.58 and 1,562.45 is: 2,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.05 : 2,497.58 = 1,562.45 : x
  2. Step 2: Convert to fraction form
    1,665.05/2,497.58 = 1,562.45/x
  3. Step 3: Cross multiply
    1,665.05x = 2,497.58 × 1,562.45
  4. Step 4: Simplify right side
    1,665.05x = 3,902,336.06
  5. Step 5: Solve for x
    x = 3,902,336.06/1,665.05
  6. Step 6: Final answer
    x = 2,343.68

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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.