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Finding the Fourth Proportional to 2,888.70, 4,328.86 and 1,571.34

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Solution

The fourth proportional to 2,888.70, 4,328.86 and 1,571.34 is: 2,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.70 : 4,328.86 = 1,571.34 : x
  2. Step 2: Convert to fraction form
    2,888.70/4,328.86 = 1,571.34/x
  3. Step 3: Cross multiply
    2,888.70x = 4,328.86 × 1,571.34
  4. Step 4: Simplify right side
    2,888.70x = 6,802,110.87
  5. Step 5: Solve for x
    x = 6,802,110.87/2,888.70
  6. Step 6: Final answer
    x = 2,354.73

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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.