Home / 2,658.23-3,668.30-1,479.28

Finding the Fourth Proportional to 2,658.23, 3,668.30 and 1,479.28

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Solution

The fourth proportional to 2,658.23, 3,668.30 and 1,479.28 is: 2,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.23 : 3,668.30 = 1,479.28 : x
  2. Step 2: Convert to fraction form
    2,658.23/3,668.30 = 1,479.28/x
  3. Step 3: Cross multiply
    2,658.23x = 3,668.30 × 1,479.28
  4. Step 4: Simplify right side
    2,658.23x = 5,426,417.09
  5. Step 5: Solve for x
    x = 5,426,417.09/2,658.23
  6. Step 6: Final answer
    x = 2,041.36

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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.