Home / 1,260.23-1,898.24-1,145.39

Finding the Fourth Proportional to 1,260.23, 1,898.24 and 1,145.39

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Solution

The fourth proportional to 1,260.23, 1,898.24 and 1,145.39 is: 1,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.23 : 1,898.24 = 1,145.39 : x
  2. Step 2: Convert to fraction form
    1,260.23/1,898.24 = 1,145.39/x
  3. Step 3: Cross multiply
    1,260.23x = 1,898.24 × 1,145.39
  4. Step 4: Simplify right side
    1,260.23x = 2,174,209.90
  5. Step 5: Solve for x
    x = 2,174,209.90/1,260.23
  6. Step 6: Final answer
    x = 1,725.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.