Home / 1,848.97-2,551.98-1,218.43

Finding the Fourth Proportional to 1,848.97, 2,551.98 and 1,218.43

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Solution

The fourth proportional to 1,848.97, 2,551.98 and 1,218.43 is: 1,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.97 : 2,551.98 = 1,218.43 : x
  2. Step 2: Convert to fraction form
    1,848.97/2,551.98 = 1,218.43/x
  3. Step 3: Cross multiply
    1,848.97x = 2,551.98 × 1,218.43
  4. Step 4: Simplify right side
    1,848.97x = 3,109,408.99
  5. Step 5: Solve for x
    x = 3,109,408.99/1,848.97
  6. Step 6: Final answer
    x = 1,681.70

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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.