Home / 1,754.03-2,420.91-1,665.94

Finding the Fourth Proportional to 1,754.03, 2,420.91 and 1,665.94

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Solution

The fourth proportional to 1,754.03, 2,420.91 and 1,665.94 is: 2,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.03 : 2,420.91 = 1,665.94 : x
  2. Step 2: Convert to fraction form
    1,754.03/2,420.91 = 1,665.94/x
  3. Step 3: Cross multiply
    1,754.03x = 2,420.91 × 1,665.94
  4. Step 4: Simplify right side
    1,754.03x = 4,033,090.81
  5. Step 5: Solve for x
    x = 4,033,090.81/1,754.03
  6. Step 6: Final answer
    x = 2,299.33

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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.