Home / 2,325.20-3,210.36-1,626.80

Finding the Fourth Proportional to 2,325.20, 3,210.36 and 1,626.80

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Solution

The fourth proportional to 2,325.20, 3,210.36 and 1,626.80 is: 2,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.20 : 3,210.36 = 1,626.80 : x
  2. Step 2: Convert to fraction form
    2,325.20/3,210.36 = 1,626.80/x
  3. Step 3: Cross multiply
    2,325.20x = 3,210.36 × 1,626.80
  4. Step 4: Simplify right side
    2,325.20x = 5,222,613.65
  5. Step 5: Solve for x
    x = 5,222,613.65/2,325.20
  6. Step 6: Final answer
    x = 2,246.09

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1.5x scale

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.