Home / 1,629.17-2,444.22-655.21

Finding the Fourth Proportional to 1,629.17, 2,444.22 and 655.21

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Solution

The fourth proportional to 1,629.17, 2,444.22 and 655.21 is: 983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.17 : 2,444.22 = 655.21 : x
  2. Step 2: Convert to fraction form
    1,629.17/2,444.22 = 655.21/x
  3. Step 3: Cross multiply
    1,629.17x = 2,444.22 × 655.21
  4. Step 4: Simplify right side
    1,629.17x = 1,601,477.39
  5. Step 5: Solve for x
    x = 1,601,477.39/1,629.17
  6. Step 6: Final answer
    x = 983.00

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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.