Home / 2,558.19-3,530.08-1,439.25

Finding the Fourth Proportional to 2,558.19, 3,530.08 and 1,439.25

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Solution

The fourth proportional to 2,558.19, 3,530.08 and 1,439.25 is: 1,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.19 : 3,530.08 = 1,439.25 : x
  2. Step 2: Convert to fraction form
    2,558.19/3,530.08 = 1,439.25/x
  3. Step 3: Cross multiply
    2,558.19x = 3,530.08 × 1,439.25
  4. Step 4: Simplify right side
    2,558.19x = 5,080,667.64
  5. Step 5: Solve for x
    x = 5,080,667.64/2,558.19
  6. Step 6: Final answer
    x = 1,986.04

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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.