Home / 1,250.21-1,875.24-384.52

Finding the Fourth Proportional to 1,250.21, 1,875.24 and 384.52

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Solution

The fourth proportional to 1,250.21, 1,875.24 and 384.52 is: 576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.21 : 1,875.24 = 384.52 : x
  2. Step 2: Convert to fraction form
    1,250.21/1,875.24 = 384.52/x
  3. Step 3: Cross multiply
    1,250.21x = 1,875.24 × 384.52
  4. Step 4: Simplify right side
    1,250.21x = 721,067.28
  5. Step 5: Solve for x
    x = 721,067.28/1,250.21
  6. Step 6: Final answer
    x = 576.76

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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.