Home / 1,754.28-2,420.80-1,008.04

Finding the Fourth Proportional to 1,754.28, 2,420.80 and 1,008.04

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Solution

The fourth proportional to 1,754.28, 2,420.80 and 1,008.04 is: 1,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.28 : 2,420.80 = 1,008.04 : x
  2. Step 2: Convert to fraction form
    1,754.28/2,420.80 = 1,008.04/x
  3. Step 3: Cross multiply
    1,754.28x = 2,420.80 × 1,008.04
  4. Step 4: Simplify right side
    1,754.28x = 2,440,263.23
  5. Step 5: Solve for x
    x = 2,440,263.23/1,754.28
  6. Step 6: Final answer
    x = 1,391.03

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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.