Home / 1,451.30-2,174.55-1,364.90

Finding the Fourth Proportional to 1,451.30, 2,174.55 and 1,364.90

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Solution

The fourth proportional to 1,451.30, 2,174.55 and 1,364.90 is: 2,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.30 : 2,174.55 = 1,364.90 : x
  2. Step 2: Convert to fraction form
    1,451.30/2,174.55 = 1,364.90/x
  3. Step 3: Cross multiply
    1,451.30x = 2,174.55 × 1,364.90
  4. Step 4: Simplify right side
    1,451.30x = 2,968,043.30
  5. Step 5: Solve for x
    x = 2,968,043.30/1,451.30
  6. Step 6: Final answer
    x = 2,045.09

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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.