Home / 2,603.04-3,905.77-1,628.61

Finding the Fourth Proportional to 2,603.04, 3,905.77 and 1,628.61

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Solution

The fourth proportional to 2,603.04, 3,905.77 and 1,628.61 is: 2,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.04 : 3,905.77 = 1,628.61 : x
  2. Step 2: Convert to fraction form
    2,603.04/3,905.77 = 1,628.61/x
  3. Step 3: Cross multiply
    2,603.04x = 3,905.77 × 1,628.61
  4. Step 4: Simplify right side
    2,603.04x = 6,360,976.08
  5. Step 5: Solve for x
    x = 6,360,976.08/2,603.04
  6. Step 6: Final answer
    x = 2,443.67

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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.