Home / 2,406.99-3,320.21-1,660.91

Finding the Fourth Proportional to 2,406.99, 3,320.21 and 1,660.91

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Solution

The fourth proportional to 2,406.99, 3,320.21 and 1,660.91 is: 2,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.99 : 3,320.21 = 1,660.91 : x
  2. Step 2: Convert to fraction form
    2,406.99/3,320.21 = 1,660.91/x
  3. Step 3: Cross multiply
    2,406.99x = 3,320.21 × 1,660.91
  4. Step 4: Simplify right side
    2,406.99x = 5,514,582.44
  5. Step 5: Solve for x
    x = 5,514,582.44/2,406.99
  6. Step 6: Final answer
    x = 2,291.07

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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.