Home / 1,629.16-2,445.58-655.94

Finding the Fourth Proportional to 1,629.16, 2,445.58 and 655.94

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Solution

The fourth proportional to 1,629.16, 2,445.58 and 655.94 is: 984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.16 : 2,445.58 = 655.94 : x
  2. Step 2: Convert to fraction form
    1,629.16/2,445.58 = 655.94/x
  3. Step 3: Cross multiply
    1,629.16x = 2,445.58 × 655.94
  4. Step 4: Simplify right side
    1,629.16x = 1,604,153.75
  5. Step 5: Solve for x
    x = 1,604,153.75/1,629.16
  6. Step 6: Final answer
    x = 984.65

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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.