Home / 1,853.95-2,554.05-1,293.40

Finding the Fourth Proportional to 1,853.95, 2,554.05 and 1,293.40

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Solution

The fourth proportional to 1,853.95, 2,554.05 and 1,293.40 is: 1,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.95 : 2,554.05 = 1,293.40 : x
  2. Step 2: Convert to fraction form
    1,853.95/2,554.05 = 1,293.40/x
  3. Step 3: Cross multiply
    1,853.95x = 2,554.05 × 1,293.40
  4. Step 4: Simplify right side
    1,853.95x = 3,303,408.27
  5. Step 5: Solve for x
    x = 3,303,408.27/1,853.95
  6. Step 6: Final answer
    x = 1,781.82

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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.