Home / 3,189.68-4,782.72-2,535.74

Finding the Fourth Proportional to 3,189.68, 4,782.72 and 2,535.74

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Solution

The fourth proportional to 3,189.68, 4,782.72 and 2,535.74 is: 3,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.68 : 4,782.72 = 2,535.74 : x
  2. Step 2: Convert to fraction form
    3,189.68/4,782.72 = 2,535.74/x
  3. Step 3: Cross multiply
    3,189.68x = 4,782.72 × 2,535.74
  4. Step 4: Simplify right side
    3,189.68x = 12,127,734.41
  5. Step 5: Solve for x
    x = 12,127,734.41/3,189.68
  6. Step 6: Final answer
    x = 3,802.18

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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.