Home / 1,509.55-2,262.09-1,345.39

Finding the Fourth Proportional to 1,509.55, 2,262.09 and 1,345.39

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Solution

The fourth proportional to 1,509.55, 2,262.09 and 1,345.39 is: 2,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.55 : 2,262.09 = 1,345.39 : x
  2. Step 2: Convert to fraction form
    1,509.55/2,262.09 = 1,345.39/x
  3. Step 3: Cross multiply
    1,509.55x = 2,262.09 × 1,345.39
  4. Step 4: Simplify right side
    1,509.55x = 3,043,386.54
  5. Step 5: Solve for x
    x = 3,043,386.54/1,509.55
  6. Step 6: Final answer
    x = 2,016.09

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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.