Home / 1,695.84-2,340.36-949.92

Finding the Fourth Proportional to 1,695.84, 2,340.36 and 949.92

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Solution

The fourth proportional to 1,695.84, 2,340.36 and 949.92 is: 1,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.84 : 2,340.36 = 949.92 : x
  2. Step 2: Convert to fraction form
    1,695.84/2,340.36 = 949.92/x
  3. Step 3: Cross multiply
    1,695.84x = 2,340.36 × 949.92
  4. Step 4: Simplify right side
    1,695.84x = 2,223,154.77
  5. Step 5: Solve for x
    x = 2,223,154.77/1,695.84
  6. Step 6: Final answer
    x = 1,310.95

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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.