Home / 1,475.24-2,201.39-1,319.45

Finding the Fourth Proportional to 1,475.24, 2,201.39 and 1,319.45

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Solution

The fourth proportional to 1,475.24, 2,201.39 and 1,319.45 is: 1,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.24 : 2,201.39 = 1,319.45 : x
  2. Step 2: Convert to fraction form
    1,475.24/2,201.39 = 1,319.45/x
  3. Step 3: Cross multiply
    1,475.24x = 2,201.39 × 1,319.45
  4. Step 4: Simplify right side
    1,475.24x = 2,904,606.43
  5. Step 5: Solve for x
    x = 2,904,606.43/1,475.24
  6. Step 6: Final answer
    x = 1,968.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.