Home / 1,943.41-2,681.98-1,104.26

Finding the Fourth Proportional to 1,943.41, 2,681.98 and 1,104.26

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Solution

The fourth proportional to 1,943.41, 2,681.98 and 1,104.26 is: 1,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.41 : 2,681.98 = 1,104.26 : x
  2. Step 2: Convert to fraction form
    1,943.41/2,681.98 = 1,104.26/x
  3. Step 3: Cross multiply
    1,943.41x = 2,681.98 × 1,104.26
  4. Step 4: Simplify right side
    1,943.41x = 2,961,590.61
  5. Step 5: Solve for x
    x = 2,961,590.61/1,943.41
  6. Step 6: Final answer
    x = 1,523.91

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1.5x scale

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.