Home / 2,319.49-3,201.57-1,325.32

Finding the Fourth Proportional to 2,319.49, 3,201.57 and 1,325.32

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Solution

The fourth proportional to 2,319.49, 3,201.57 and 1,325.32 is: 1,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.49 : 3,201.57 = 1,325.32 : x
  2. Step 2: Convert to fraction form
    2,319.49/3,201.57 = 1,325.32/x
  3. Step 3: Cross multiply
    2,319.49x = 3,201.57 × 1,325.32
  4. Step 4: Simplify right side
    2,319.49x = 4,243,104.75
  5. Step 5: Solve for x
    x = 4,243,104.75/2,319.49
  6. Step 6: Final answer
    x = 1,829.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.