Home / 1,720.14-2,577.74-1,374.52

Finding the Fourth Proportional to 1,720.14, 2,577.74 and 1,374.52

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Solution

The fourth proportional to 1,720.14, 2,577.74 and 1,374.52 is: 2,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.14 : 2,577.74 = 1,374.52 : x
  2. Step 2: Convert to fraction form
    1,720.14/2,577.74 = 1,374.52/x
  3. Step 3: Cross multiply
    1,720.14x = 2,577.74 × 1,374.52
  4. Step 4: Simplify right side
    1,720.14x = 3,543,155.18
  5. Step 5: Solve for x
    x = 3,543,155.18/1,720.14
  6. Step 6: Final answer
    x = 2,059.81

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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.