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Finding the Fourth Proportional to 2,887.54, 4,328.42 and 1,482.69

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Solution

The fourth proportional to 2,887.54, 4,328.42 and 1,482.69 is: 2,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.54 : 4,328.42 = 1,482.69 : x
  2. Step 2: Convert to fraction form
    2,887.54/4,328.42 = 1,482.69/x
  3. Step 3: Cross multiply
    2,887.54x = 4,328.42 × 1,482.69
  4. Step 4: Simplify right side
    2,887.54x = 6,417,705.05
  5. Step 5: Solve for x
    x = 6,417,705.05/2,887.54
  6. Step 6: Final answer
    x = 2,222.55

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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.