Home / 1,943.04-2,681.40-1,197

Finding the Fourth Proportional to 1,943.04, 2,681.40 and 1,197

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Solution

The fourth proportional to 1,943.04, 2,681.40 and 1,197 is: 1,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.04 : 2,681.40 = 1,197 : x
  2. Step 2: Convert to fraction form
    1,943.04/2,681.40 = 1,197/x
  3. Step 3: Cross multiply
    1,943.04x = 2,681.40 × 1,197
  4. Step 4: Simplify right side
    1,943.04x = 3,209,635.80
  5. Step 5: Solve for x
    x = 3,209,635.80/1,943.04
  6. Step 6: Final answer
    x = 1,651.86

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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.