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Finding the Fourth Proportional to 2,888.40, 4,333.32 and 1,571.80

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Solution

The fourth proportional to 2,888.40, 4,333.32 and 1,571.80 is: 2,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.40 : 4,333.32 = 1,571.80 : x
  2. Step 2: Convert to fraction form
    2,888.40/4,333.32 = 1,571.80/x
  3. Step 3: Cross multiply
    2,888.40x = 4,333.32 × 1,571.80
  4. Step 4: Simplify right side
    2,888.40x = 6,811,101.90
  5. Step 5: Solve for x
    x = 6,811,101.90/2,888.40
  6. Step 6: Final answer
    x = 2,358.09

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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.