Home / 2,558.84-3,534.97-1,719.28

Finding the Fourth Proportional to 2,558.84, 3,534.97 and 1,719.28

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Solution

The fourth proportional to 2,558.84, 3,534.97 and 1,719.28 is: 2,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.84 : 3,534.97 = 1,719.28 : x
  2. Step 2: Convert to fraction form
    2,558.84/3,534.97 = 1,719.28/x
  3. Step 3: Cross multiply
    2,558.84x = 3,534.97 × 1,719.28
  4. Step 4: Simplify right side
    2,558.84x = 6,077,603.22
  5. Step 5: Solve for x
    x = 6,077,603.22/2,558.84
  6. Step 6: Final answer
    x = 2,375.14

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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.