Home / 1,730.37-2,595.07-480.68

Finding the Fourth Proportional to 1,730.37, 2,595.07 and 480.68

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Solution

The fourth proportional to 1,730.37, 2,595.07 and 480.68 is: 720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.37 : 2,595.07 = 480.68 : x
  2. Step 2: Convert to fraction form
    1,730.37/2,595.07 = 480.68/x
  3. Step 3: Cross multiply
    1,730.37x = 2,595.07 × 480.68
  4. Step 4: Simplify right side
    1,730.37x = 1,247,386.47
  5. Step 5: Solve for x
    x = 1,247,386.47/1,730.37
  6. Step 6: Final answer
    x = 720.88

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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.