Home / 1,711.44-2,346.38-1,680.30

Finding the Fourth Proportional to 1,711.44, 2,346.38 and 1,680.30

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Solution

The fourth proportional to 1,711.44, 2,346.38 and 1,680.30 is: 2,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.44 : 2,346.38 = 1,680.30 : x
  2. Step 2: Convert to fraction form
    1,711.44/2,346.38 = 1,680.30/x
  3. Step 3: Cross multiply
    1,711.44x = 2,346.38 × 1,680.30
  4. Step 4: Simplify right side
    1,711.44x = 3,942,613.91
  5. Step 5: Solve for x
    x = 3,942,613.91/1,711.44
  6. Step 6: Final answer
    x = 2,303.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.