Home / 2,946.51-4,066.41-1,687.95

Finding the Fourth Proportional to 2,946.51, 4,066.41 and 1,687.95

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Solution

The fourth proportional to 2,946.51, 4,066.41 and 1,687.95 is: 2,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.51 : 4,066.41 = 1,687.95 : x
  2. Step 2: Convert to fraction form
    2,946.51/4,066.41 = 1,687.95/x
  3. Step 3: Cross multiply
    2,946.51x = 4,066.41 × 1,687.95
  4. Step 4: Simplify right side
    2,946.51x = 6,863,896.76
  5. Step 5: Solve for x
    x = 6,863,896.76/2,946.51
  6. Step 6: Final answer
    x = 2,329.50

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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.