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Finding the Fourth Proportional to 1,668.48, 2,502.72 and 1,566.99

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Solution

The fourth proportional to 1,668.48, 2,502.72 and 1,566.99 is: 2,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.48 : 2,502.72 = 1,566.99 : x
  2. Step 2: Convert to fraction form
    1,668.48/2,502.72 = 1,566.99/x
  3. Step 3: Cross multiply
    1,668.48x = 2,502.72 × 1,566.99
  4. Step 4: Simplify right side
    1,668.48x = 3,921,737.21
  5. Step 5: Solve for x
    x = 3,921,737.21/1,668.48
  6. Step 6: Final answer
    x = 2,350.49

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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.