Home / 1,629.72-2,444.67-655.71

Finding the Fourth Proportional to 1,629.72, 2,444.67 and 655.71

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Solution

The fourth proportional to 1,629.72, 2,444.67 and 655.71 is: 983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.72 : 2,444.67 = 655.71 : x
  2. Step 2: Convert to fraction form
    1,629.72/2,444.67 = 655.71/x
  3. Step 3: Cross multiply
    1,629.72x = 2,444.67 × 655.71
  4. Step 4: Simplify right side
    1,629.72x = 1,602,994.57
  5. Step 5: Solve for x
    x = 1,602,994.57/1,629.72
  6. Step 6: Final answer
    x = 983.60

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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.