Home / 1,636.38-2,444.13-1,417.68

Finding the Fourth Proportional to 1,636.38, 2,444.13 and 1,417.68

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Solution

The fourth proportional to 1,636.38, 2,444.13 and 1,417.68 is: 2,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.38 : 2,444.13 = 1,417.68 : x
  2. Step 2: Convert to fraction form
    1,636.38/2,444.13 = 1,417.68/x
  3. Step 3: Cross multiply
    1,636.38x = 2,444.13 × 1,417.68
  4. Step 4: Simplify right side
    1,636.38x = 3,464,982.00
  5. Step 5: Solve for x
    x = 3,464,982.00/1,636.38
  6. Step 6: Final answer
    x = 2,117.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.