Home / 1,613.42-2,226.60-1,263.50

Finding the Fourth Proportional to 1,613.42, 2,226.60 and 1,263.50

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Solution

The fourth proportional to 1,613.42, 2,226.60 and 1,263.50 is: 1,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.42 : 2,226.60 = 1,263.50 : x
  2. Step 2: Convert to fraction form
    1,613.42/2,226.60 = 1,263.50/x
  3. Step 3: Cross multiply
    1,613.42x = 2,226.60 × 1,263.50
  4. Step 4: Simplify right side
    1,613.42x = 2,813,309.10
  5. Step 5: Solve for x
    x = 2,813,309.10/1,613.42
  6. Step 6: Final answer
    x = 1,743.69

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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.