Home / 2,658.24-3,668.45-1,479.40

Finding the Fourth Proportional to 2,658.24, 3,668.45 and 1,479.40

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Solution

The fourth proportional to 2,658.24, 3,668.45 and 1,479.40 is: 2,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.24 : 3,668.45 = 1,479.40 : x
  2. Step 2: Convert to fraction form
    2,658.24/3,668.45 = 1,479.40/x
  3. Step 3: Cross multiply
    2,658.24x = 3,668.45 × 1,479.40
  4. Step 4: Simplify right side
    2,658.24x = 5,427,088.36
  5. Step 5: Solve for x
    x = 5,427,088.36/2,658.24
  6. Step 6: Final answer
    x = 2,041.61

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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.