Home / 1,942.54-2,911.38-1,530.05

Finding the Fourth Proportional to 1,942.54, 2,911.38 and 1,530.05

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Solution

The fourth proportional to 1,942.54, 2,911.38 and 1,530.05 is: 2,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.54 : 2,911.38 = 1,530.05 : x
  2. Step 2: Convert to fraction form
    1,942.54/2,911.38 = 1,530.05/x
  3. Step 3: Cross multiply
    1,942.54x = 2,911.38 × 1,530.05
  4. Step 4: Simplify right side
    1,942.54x = 4,454,534.76
  5. Step 5: Solve for x
    x = 4,454,534.76/1,942.54
  6. Step 6: Final answer
    x = 2,293.15

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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.