Home / 1,695.41-2,339.88-949.40

Finding the Fourth Proportional to 1,695.41, 2,339.88 and 949.40

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Solution

The fourth proportional to 1,695.41, 2,339.88 and 949.40 is: 1,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.41 : 2,339.88 = 949.40 : x
  2. Step 2: Convert to fraction form
    1,695.41/2,339.88 = 949.40/x
  3. Step 3: Cross multiply
    1,695.41x = 2,339.88 × 949.40
  4. Step 4: Simplify right side
    1,695.41x = 2,221,482.07
  5. Step 5: Solve for x
    x = 2,221,482.07/1,695.41
  6. Step 6: Final answer
    x = 1,310.29

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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.