Home / 1,946.13-2,904.99-1,687.95

Finding the Fourth Proportional to 1,946.13, 2,904.99 and 1,687.95

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Solution

The fourth proportional to 1,946.13, 2,904.99 and 1,687.95 is: 2,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.13 : 2,904.99 = 1,687.95 : x
  2. Step 2: Convert to fraction form
    1,946.13/2,904.99 = 1,687.95/x
  3. Step 3: Cross multiply
    1,946.13x = 2,904.99 × 1,687.95
  4. Step 4: Simplify right side
    1,946.13x = 4,903,477.87
  5. Step 5: Solve for x
    x = 4,903,477.87/1,946.13
  6. Step 6: Final answer
    x = 2,519.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.