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Finding the Fourth Proportional to 2,151.54, 2,968.29 and 1,701.99

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Solution

The fourth proportional to 2,151.54, 2,968.29 and 1,701.99 is: 2,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.54 : 2,968.29 = 1,701.99 : x
  2. Step 2: Convert to fraction form
    2,151.54/2,968.29 = 1,701.99/x
  3. Step 3: Cross multiply
    2,151.54x = 2,968.29 × 1,701.99
  4. Step 4: Simplify right side
    2,151.54x = 5,051,999.90
  5. Step 5: Solve for x
    x = 5,051,999.90/2,151.54
  6. Step 6: Final answer
    x = 2,348.09

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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.