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Finding the Fourth Proportional to 3,151.00, 4,703.59 and 2,890.99

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Solution

The fourth proportional to 3,151.00, 4,703.59 and 2,890.99 is: 4,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.00 : 4,703.59 = 2,890.99 : x
  2. Step 2: Convert to fraction form
    3,151.00/4,703.59 = 2,890.99/x
  3. Step 3: Cross multiply
    3,151.00x = 4,703.59 × 2,890.99
  4. Step 4: Simplify right side
    3,151.00x = 13,598,049.28
  5. Step 5: Solve for x
    x = 13,598,049.28/3,151.00
  6. Step 6: Final answer
    x = 4,315.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.