Home / 3,439.39-5,158.25-1,588.72

Finding the Fourth Proportional to 3,439.39, 5,158.25 and 1,588.72

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Solution

The fourth proportional to 3,439.39, 5,158.25 and 1,588.72 is: 2,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.39 : 5,158.25 = 1,588.72 : x
  2. Step 2: Convert to fraction form
    3,439.39/5,158.25 = 1,588.72/x
  3. Step 3: Cross multiply
    3,439.39x = 5,158.25 × 1,588.72
  4. Step 4: Simplify right side
    3,439.39x = 8,195,027.84
  5. Step 5: Solve for x
    x = 8,195,027.84/3,439.39
  6. Step 6: Final answer
    x = 2,382.70

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1.5x scale

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.