Home / 1,629.69-2,444.75-655.58

Finding the Fourth Proportional to 1,629.69, 2,444.75 and 655.58

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Solution

The fourth proportional to 1,629.69, 2,444.75 and 655.58 is: 983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.69 : 2,444.75 = 655.58 : x
  2. Step 2: Convert to fraction form
    1,629.69/2,444.75 = 655.58/x
  3. Step 3: Cross multiply
    1,629.69x = 2,444.75 × 655.58
  4. Step 4: Simplify right side
    1,629.69x = 1,602,713.70
  5. Step 5: Solve for x
    x = 1,602,713.70/1,629.69
  6. Step 6: Final answer
    x = 983.45

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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.