Home / 2,624.87-3,622.38-1,445.96

Finding the Fourth Proportional to 2,624.87, 3,622.38 and 1,445.96

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Solution

The fourth proportional to 2,624.87, 3,622.38 and 1,445.96 is: 1,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.87 : 3,622.38 = 1,445.96 : x
  2. Step 2: Convert to fraction form
    2,624.87/3,622.38 = 1,445.96/x
  3. Step 3: Cross multiply
    2,624.87x = 3,622.38 × 1,445.96
  4. Step 4: Simplify right side
    2,624.87x = 5,237,798.47
  5. Step 5: Solve for x
    x = 5,237,798.47/2,624.87
  6. Step 6: Final answer
    x = 1,995.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.