Home / 1,951.16-2,690.58-1,672.36

Finding the Fourth Proportional to 1,951.16, 2,690.58 and 1,672.36

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Solution

The fourth proportional to 1,951.16, 2,690.58 and 1,672.36 is: 2,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.16 : 2,690.58 = 1,672.36 : x
  2. Step 2: Convert to fraction form
    1,951.16/2,690.58 = 1,672.36/x
  3. Step 3: Cross multiply
    1,951.16x = 2,690.58 × 1,672.36
  4. Step 4: Simplify right side
    1,951.16x = 4,499,618.37
  5. Step 5: Solve for x
    x = 4,499,618.37/1,951.16
  6. Step 6: Final answer
    x = 2,306.12

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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.