Home / 1,025.51-1,538.37-295.20

Finding the Fourth Proportional to 1,025.51, 1,538.37 and 295.20

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Solution

The fourth proportional to 1,025.51, 1,538.37 and 295.20 is: 442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.51 : 1,538.37 = 295.20 : x
  2. Step 2: Convert to fraction form
    1,025.51/1,538.37 = 295.20/x
  3. Step 3: Cross multiply
    1,025.51x = 1,538.37 × 295.20
  4. Step 4: Simplify right side
    1,025.51x = 454,126.82
  5. Step 5: Solve for x
    x = 454,126.82/1,025.51
  6. Step 6: Final answer
    x = 442.83

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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.