Home / 2,319.91-3,201.68-1,325.51

Finding the Fourth Proportional to 2,319.91, 3,201.68 and 1,325.51

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Solution

The fourth proportional to 2,319.91, 3,201.68 and 1,325.51 is: 1,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.91 : 3,201.68 = 1,325.51 : x
  2. Step 2: Convert to fraction form
    2,319.91/3,201.68 = 1,325.51/x
  3. Step 3: Cross multiply
    2,319.91x = 3,201.68 × 1,325.51
  4. Step 4: Simplify right side
    2,319.91x = 4,243,858.86
  5. Step 5: Solve for x
    x = 4,243,858.86/2,319.91
  6. Step 6: Final answer
    x = 1,829.32

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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.