Home / 2,658.09-3,668.16-1,479.13

Finding the Fourth Proportional to 2,658.09, 3,668.16 and 1,479.13

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Solution

The fourth proportional to 2,658.09, 3,668.16 and 1,479.13 is: 2,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.09 : 3,668.16 = 1,479.13 : x
  2. Step 2: Convert to fraction form
    2,658.09/3,668.16 = 1,479.13/x
  3. Step 3: Cross multiply
    2,658.09x = 3,668.16 × 1,479.13
  4. Step 4: Simplify right side
    2,658.09x = 5,425,685.50
  5. Step 5: Solve for x
    x = 5,425,685.50/2,658.09
  6. Step 6: Final answer
    x = 2,041.20

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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.