Home / 3,188.60-4,779.24-1,724.70

Finding the Fourth Proportional to 3,188.60, 4,779.24 and 1,724.70

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Solution

The fourth proportional to 3,188.60, 4,779.24 and 1,724.70 is: 2,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.60 : 4,779.24 = 1,724.70 : x
  2. Step 2: Convert to fraction form
    3,188.60/4,779.24 = 1,724.70/x
  3. Step 3: Cross multiply
    3,188.60x = 4,779.24 × 1,724.70
  4. Step 4: Simplify right side
    3,188.60x = 8,242,755.23
  5. Step 5: Solve for x
    x = 8,242,755.23/3,188.60
  6. Step 6: Final answer
    x = 2,585.07

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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.