Home / 1,527.05-2,285.10-1,322.32

Finding the Fourth Proportional to 1,527.05, 2,285.10 and 1,322.32

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Solution

The fourth proportional to 1,527.05, 2,285.10 and 1,322.32 is: 1,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.05 : 2,285.10 = 1,322.32 : x
  2. Step 2: Convert to fraction form
    1,527.05/2,285.10 = 1,322.32/x
  3. Step 3: Cross multiply
    1,527.05x = 2,285.10 × 1,322.32
  4. Step 4: Simplify right side
    1,527.05x = 3,021,633.43
  5. Step 5: Solve for x
    x = 3,021,633.43/1,527.05
  6. Step 6: Final answer
    x = 1,978.74

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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.