Home / 1,350.07-2,025.20-657.32

Finding the Fourth Proportional to 1,350.07, 2,025.20 and 657.32

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Solution

The fourth proportional to 1,350.07, 2,025.20 and 657.32 is: 986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.07 : 2,025.20 = 657.32 : x
  2. Step 2: Convert to fraction form
    1,350.07/2,025.20 = 657.32/x
  3. Step 3: Cross multiply
    1,350.07x = 2,025.20 × 657.32
  4. Step 4: Simplify right side
    1,350.07x = 1,331,195.98
  5. Step 5: Solve for x
    x = 1,331,195.98/1,350.07
  6. Step 6: Final answer
    x = 986.02

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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.