Home / 1,536.05-2,303.27-669.89

Finding the Fourth Proportional to 1,536.05, 2,303.27 and 669.89

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Solution

The fourth proportional to 1,536.05, 2,303.27 and 669.89 is: 1,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.05 : 2,303.27 = 669.89 : x
  2. Step 2: Convert to fraction form
    1,536.05/2,303.27 = 669.89/x
  3. Step 3: Cross multiply
    1,536.05x = 2,303.27 × 669.89
  4. Step 4: Simplify right side
    1,536.05x = 1,542,939.95
  5. Step 5: Solve for x
    x = 1,542,939.95/1,536.05
  6. Step 6: Final answer
    x = 1,004.48

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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.