Home / 3,518.51-5,277.76-1,668.62

Finding the Fourth Proportional to 3,518.51, 5,277.76 and 1,668.62

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Solution

The fourth proportional to 3,518.51, 5,277.76 and 1,668.62 is: 2,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.51 : 5,277.76 = 1,668.62 : x
  2. Step 2: Convert to fraction form
    3,518.51/5,277.76 = 1,668.62/x
  3. Step 3: Cross multiply
    3,518.51x = 5,277.76 × 1,668.62
  4. Step 4: Simplify right side
    3,518.51x = 8,806,549.50
  5. Step 5: Solve for x
    x = 8,806,549.50/3,518.51
  6. Step 6: Final answer
    x = 2,502.92

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.