Home / 1,672.17-2,306.37-1,175.37

Finding the Fourth Proportional to 1,672.17, 2,306.37 and 1,175.37

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Solution

The fourth proportional to 1,672.17, 2,306.37 and 1,175.37 is: 1,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.17 : 2,306.37 = 1,175.37 : x
  2. Step 2: Convert to fraction form
    1,672.17/2,306.37 = 1,175.37/x
  3. Step 3: Cross multiply
    1,672.17x = 2,306.37 × 1,175.37
  4. Step 4: Simplify right side
    1,672.17x = 2,710,838.11
  5. Step 5: Solve for x
    x = 2,710,838.11/1,672.17
  6. Step 6: Final answer
    x = 1,621.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.