Home / 1,691.49-2,536.83-1,417.71

Finding the Fourth Proportional to 1,691.49, 2,536.83 and 1,417.71

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Solution

The fourth proportional to 1,691.49, 2,536.83 and 1,417.71 is: 2,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.49 : 2,536.83 = 1,417.71 : x
  2. Step 2: Convert to fraction form
    1,691.49/2,536.83 = 1,417.71/x
  3. Step 3: Cross multiply
    1,691.49x = 2,536.83 × 1,417.71
  4. Step 4: Simplify right side
    1,691.49x = 3,596,489.26
  5. Step 5: Solve for x
    x = 3,596,489.26/1,691.49
  6. Step 6: Final answer
    x = 2,126.23

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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.