Home / 2,658.49-3,668.69-1,479.53

Finding the Fourth Proportional to 2,658.49, 3,668.69 and 1,479.53

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Solution

The fourth proportional to 2,658.49, 3,668.69 and 1,479.53 is: 2,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.49 : 3,668.69 = 1,479.53 : x
  2. Step 2: Convert to fraction form
    2,658.49/3,668.69 = 1,479.53/x
  3. Step 3: Cross multiply
    2,658.49x = 3,668.69 × 1,479.53
  4. Step 4: Simplify right side
    2,658.49x = 5,427,949.79
  5. Step 5: Solve for x
    x = 5,427,949.79/2,658.49
  6. Step 6: Final answer
    x = 2,041.74

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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.