Home / 1,946.95-2,682.25-1,356.46

Finding the Fourth Proportional to 1,946.95, 2,682.25 and 1,356.46

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Solution

The fourth proportional to 1,946.95, 2,682.25 and 1,356.46 is: 1,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.95 : 2,682.25 = 1,356.46 : x
  2. Step 2: Convert to fraction form
    1,946.95/2,682.25 = 1,356.46/x
  3. Step 3: Cross multiply
    1,946.95x = 2,682.25 × 1,356.46
  4. Step 4: Simplify right side
    1,946.95x = 3,638,364.84
  5. Step 5: Solve for x
    x = 3,638,364.84/1,946.95
  6. Step 6: Final answer
    x = 1,868.75

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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.