Home / 1,695.34-2,339.44-949.13

Finding the Fourth Proportional to 1,695.34, 2,339.44 and 949.13

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Solution

The fourth proportional to 1,695.34, 2,339.44 and 949.13 is: 1,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.34 : 2,339.44 = 949.13 : x
  2. Step 2: Convert to fraction form
    1,695.34/2,339.44 = 949.13/x
  3. Step 3: Cross multiply
    1,695.34x = 2,339.44 × 949.13
  4. Step 4: Simplify right side
    1,695.34x = 2,220,418.62
  5. Step 5: Solve for x
    x = 2,220,418.62/1,695.34
  6. Step 6: Final answer
    x = 1,309.72

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1.5x scale

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.