Home / 1,628.01-2,439.18-1,355.85

Finding the Fourth Proportional to 1,628.01, 2,439.18 and 1,355.85

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Solution

The fourth proportional to 1,628.01, 2,439.18 and 1,355.85 is: 2,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.01 : 2,439.18 = 1,355.85 : x
  2. Step 2: Convert to fraction form
    1,628.01/2,439.18 = 1,355.85/x
  3. Step 3: Cross multiply
    1,628.01x = 2,439.18 × 1,355.85
  4. Step 4: Simplify right side
    1,628.01x = 3,307,162.20
  5. Step 5: Solve for x
    x = 3,307,162.20/1,628.01
  6. Step 6: Final answer
    x = 2,031.41

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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.