Home / 1,966.63-2,696.36-1,931.53

Finding the Fourth Proportional to 1,966.63, 2,696.36 and 1,931.53

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Solution

The fourth proportional to 1,966.63, 2,696.36 and 1,931.53 is: 2,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.63 : 2,696.36 = 1,931.53 : x
  2. Step 2: Convert to fraction form
    1,966.63/2,696.36 = 1,931.53/x
  3. Step 3: Cross multiply
    1,966.63x = 2,696.36 × 1,931.53
  4. Step 4: Simplify right side
    1,966.63x = 5,208,100.23
  5. Step 5: Solve for x
    x = 5,208,100.23/1,966.63
  6. Step 6: Final answer
    x = 2,648.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.