Home / 1,668.17-2,302.20-1,170.92

Finding the Fourth Proportional to 1,668.17, 2,302.20 and 1,170.92

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Solution

The fourth proportional to 1,668.17, 2,302.20 and 1,170.92 is: 1,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.17 : 2,302.20 = 1,170.92 : x
  2. Step 2: Convert to fraction form
    1,668.17/2,302.20 = 1,170.92/x
  3. Step 3: Cross multiply
    1,668.17x = 2,302.20 × 1,170.92
  4. Step 4: Simplify right side
    1,668.17x = 2,695,697.78
  5. Step 5: Solve for x
    x = 2,695,697.78/1,668.17
  6. Step 6: Final answer
    x = 1,615.96

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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.