Home / 1,764.40-2,436.06-1,577.29

Finding the Fourth Proportional to 1,764.40, 2,436.06 and 1,577.29

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Solution

The fourth proportional to 1,764.40, 2,436.06 and 1,577.29 is: 2,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.40 : 2,436.06 = 1,577.29 : x
  2. Step 2: Convert to fraction form
    1,764.40/2,436.06 = 1,577.29/x
  3. Step 3: Cross multiply
    1,764.40x = 2,436.06 × 1,577.29
  4. Step 4: Simplify right side
    1,764.40x = 3,842,373.08
  5. Step 5: Solve for x
    x = 3,842,373.08/1,764.40
  6. Step 6: Final answer
    x = 2,177.72

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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.